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<h1 class="title toc-ignore">Étendre ggplot2</h1>
</div>
<div id="TOC">
<ul>
<li><a href="#nouvelles-géométries" id="toc-nouvelles-géométries">Nouvelles géométries</a>
<ul>
<li><a href="#étiquettes-non-superposées" id="toc-étiquettes-non-superposées">Étiquettes non superposées</a></li>
<li><a href="#graphiques-en-sucettes-lollipop" id="toc-graphiques-en-sucettes-lollipop">Graphiques en sucettes (<em>lollipop</em>)</a></li>
<li><a href="#graphique-dhaltères-dumbbell" id="toc-graphique-dhaltères-dumbbell">Graphique d’haltères (<em>dumbbell</em>)</a></li>
<li><a href="#points-reliés-pointpath" id="toc-points-reliés-pointpath">Points reliés (<em>pointpath</em>)</a></li>
<li><a href="#accolades-de-comparaison-bracket" id="toc-accolades-de-comparaison-bracket">Accolades de comparaison (<em>bracket</em>)</a></li>
<li><a href="#diagramme-en-crêtes-ridges" id="toc-diagramme-en-crêtes-ridges">Diagramme en crêtes (<em>ridges</em>)</a></li>
<li><a href="#graphique-en-gaufres-waffle" id="toc-graphique-en-gaufres-waffle">Graphique en gaufres (<em>waffle</em>)</a></li>
<li><a href="#graphique-en-mosaïque-mosaic-plot" id="toc-graphique-en-mosaïque-mosaic-plot">Graphique en mosaïque (<em>mosaic plot</em>)</a></li>
<li><a href="#représentations-graphiques-des-distributions-et-de-lincertitude" id="toc-représentations-graphiques-des-distributions-et-de-lincertitude">Représentations graphiques des distributions et de l’incertitude</a></li>
<li><a href="#graphique-de-pirates-alternative-aux-boîtes-à-moustache-pirat-plot" id="toc-graphique-de-pirates-alternative-aux-boîtes-à-moustache-pirat-plot">Graphique de pirates : alternative aux boîtes à moustache (<em>pirat plot</em>)</a></li>
<li><a href="#nuages-de-pluie-raincloud-plots" id="toc-nuages-de-pluie-raincloud-plots">Nuages de pluie (<em>raincloud plots</em>)</a></li>
<li><a href="#demi-géométries" id="toc-demi-géométries">Demi-géométries</a></li>
<li><a href="#annotations-avec-des-formes-gémoétriques" id="toc-annotations-avec-des-formes-gémoétriques">Annotations avec des formes gémoétriques</a></li>
</ul></li>
<li><a href="#axes-légende-et-facettes" id="toc-axes-légende-et-facettes">Axes, légende et facettes</a>
<ul>
<li><a href="#texte-mis-en-forme" id="toc-texte-mis-en-forme">Texte mis en forme</a></li>
<li><a href="#axes-limités" id="toc-axes-limités">Axes <q>limités</q></a></li>
<li><a href="#répéter-les-étiquettes-des-axes-sur-des-facettes" id="toc-répéter-les-étiquettes-des-axes-sur-des-facettes">Répéter les étiquettes des axes sur des facettes</a></li>
<li><a href="#encoches-mineures-sur-les-axes" id="toc-encoches-mineures-sur-les-axes">Encoches mineures sur les axes</a></li>
<li><a href="#relations-imbriquées" id="toc-relations-imbriquées">Relations imbriquées</a></li>
<li><a href="#combinaison-de-variables-sur-laxe-des-x" id="toc-combinaison-de-variables-sur-laxe-des-x">Combinaison de variables sur l’axe des X</a></li>
<li><a href="#des-facettes-paginées-diviser-en-plusieurs-sous-graphiques" id="toc-des-facettes-paginées-diviser-en-plusieurs-sous-graphiques">Des facettes paginées (diviser en plusieurs sous-graphiques)</a></li>
</ul></li>
<li><a href="#cartes" id="toc-cartes">Cartes</a></li>
<li><a href="#graphiques-complexes" id="toc-graphiques-complexes">Graphiques complexes</a>
<ul>
<li><a href="#graphiques-divergents" id="toc-graphiques-divergents">Graphiques divergents</a></li>
<li><a href="#pyramides-des-âges" id="toc-pyramides-des-âges">Pyramides des âges</a></li>
<li><a href="#graphiques-interactifs" id="toc-graphiques-interactifs">Graphiques interactifs</a></li>
<li><a href="#graphiques-animés" id="toc-graphiques-animés">Graphiques animés</a></li>
<li><a href="#surligner-certaines-données" id="toc-surligner-certaines-données">Surligner certaines données</a></li>
</ul></li>
<li><a href="#thèmes-et-couleurs" id="toc-thèmes-et-couleurs">Thèmes et couleurs</a>
<ul>
<li><a href="#palettes-de-couleurs" id="toc-palettes-de-couleurs">Palettes de couleurs</a></li>
<li><a href="#hrbrthemes" id="toc-hrbrthemes">hrbrthemes</a></li>
<li><a href="#ggthemes" id="toc-ggthemes">ggthemes</a></li>
</ul></li>
<li><a href="#combiner-plusieurs-graphiques" id="toc-combiner-plusieurs-graphiques">Combiner plusieurs graphiques</a></li>
</ul>
</div>
<div class="webin-R">
<p>Ce chapitre est évoqué dans le webin-R #13 (exemples de graphiques avancés) sur <a href="https://youtu.be/5sD4Z8bTlMM">YouTube</a>.</p>
<p>Ce chapitre est évoqué dans le webin-R #14 (exemples de graphiques avancés - 2) sur <a href="https://youtu.be/iJT46MGSQA8">YouTube</a>.</p>
</div>
<p>De nombreuses extensions permettent d’étendre les possibilités graphiques de <code class="pkg">ggplot2</code>. Certaines ont déjà été abordées dans les différents chapitres d’<strong>analyse-R</strong>. Le présent chapitre ne se veut pas exhaustif et ne présente qu’une sélection choisie d’extensions.</p>
<p>Le site <strong>ggplot2 extensions</strong> (<a href="https://exts.ggplot2.tidyverse.org/gallery/" class="uri">https://exts.ggplot2.tidyverse.org/gallery/</a>) recense diverses extensions pour <code class="pkg">ggplot2</code>.</p>
<p>Pour une présentation des fonctions de base et des concepts de <code class="pkg">ggplot2</code>, on pourra se référer au <a href="ggplot2.html">chapitre dédié</a> ainsi qu’au deux chapitres introductifs : <a href="intro-ggplot2.html">introduction à ggplot2</a> et <a href="graphiques-bivaries-ggplot2.html">graphiques bivariés avec ggplot2</a>.</p>
<p>Pour trouver l’inspiration et des exemples de code, rien ne vaut l’excellent site <a href="https://www.r-graph-gallery.com/" class="uri">https://www.r-graph-gallery.com/</a>.</p>
<div id="nouvelles-géométries" class="section level2 hasAnchor">
<h2 class="hasAnchor">Nouvelles géométries<a href="#nouvelles-géométries" class="anchor-section" aria-label="Anchor link to header"></a></h2>
<div id="étiquettes-non-superposées" class="section level3 hasAnchor">
<h3 class="hasAnchor">Étiquettes non superposées<a href="#étiquettes-non-superposées" class="anchor-section" aria-label="Anchor link to header"></a></h3>
<p>Lorsque l’on affiche des étiquettes de texte, ces dernières peuvent se supperposer lorsqu’elles sont proches. Les géométries <code data-pkg="ggrepel" data-rdoc="geom_label_repel">geom_text_repel</code> et <code data-pkg="ggrepel">geom_label_repel</code> de l’extension <code class="pkg">ggrepel</code> prennent en compte la position des différentes étiquettes pour éviter qu’elles ne se chevauchent.</p>
<div class="sourceCode" id="cb1"><pre class="sourceCode r"><code class="sourceCode r"><span id="cb1-1"><a href="#cb1-1" tabindex="-1"></a><span class="fu">library</span>(ggplot2)</span>
<span id="cb1-2"><a href="#cb1-2" tabindex="-1"></a><span class="fu">library</span>(ggrepel)</span>
<span id="cb1-3"><a href="#cb1-3" tabindex="-1"></a><span class="fu">library</span>(ggrepel)</span>
<span id="cb1-4"><a href="#cb1-4" tabindex="-1"></a></span>
<span id="cb1-5"><a href="#cb1-5" tabindex="-1"></a>dat <span class="ot"><-</span> <span class="fu">subset</span>(mtcars, wt <span class="sc">></span> <span class="fl">2.75</span> <span class="sc">&</span> wt <span class="sc"><</span> <span class="fl">3.45</span>)</span>
<span id="cb1-6"><a href="#cb1-6" tabindex="-1"></a>dat<span class="sc">$</span>car <span class="ot"><-</span> <span class="fu">rownames</span>(dat)</span>
<span id="cb1-7"><a href="#cb1-7" tabindex="-1"></a>p <span class="ot"><-</span> <span class="fu">ggplot</span>(dat) <span class="sc">+</span></span>
<span id="cb1-8"><a href="#cb1-8" tabindex="-1"></a> <span class="fu">aes</span>(wt, mpg, <span class="at">label =</span> car) <span class="sc">+</span></span>
<span id="cb1-9"><a href="#cb1-9" tabindex="-1"></a> <span class="fu">geom_point</span>(<span class="at">color =</span> <span class="st">"red"</span>)</span>
<span id="cb1-10"><a href="#cb1-10" tabindex="-1"></a></span>
<span id="cb1-11"><a href="#cb1-11" tabindex="-1"></a>p1 <span class="ot"><-</span> p <span class="sc">+</span> <span class="fu">geom_text</span>() <span class="sc">+</span></span>
<span id="cb1-12"><a href="#cb1-12" tabindex="-1"></a> <span class="fu">labs</span>(<span class="at">title =</span> <span class="st">"geom_text()"</span>)</span>
<span id="cb1-13"><a href="#cb1-13" tabindex="-1"></a>p2 <span class="ot"><-</span> p <span class="sc">+</span> <span class="fu">geom_text_repel</span>() <span class="sc">+</span></span>
<span id="cb1-14"><a href="#cb1-14" tabindex="-1"></a> <span class="fu">labs</span>(<span class="at">title =</span> <span class="st">"geom_text_repel()"</span>)</span>
<span id="cb1-15"><a href="#cb1-15" tabindex="-1"></a></span>
<span id="cb1-16"><a href="#cb1-16" tabindex="-1"></a>cowplot<span class="sc">::</span><span class="fu">plot_grid</span>(p1, p2, <span class="at">nrow =</span> <span class="dv">1</span>)</span></code></pre></div>
<p><img src="graphs/etendre-ggplot2/unnamed-chunk-1-1.png" width="1050" /></p>
<p>Pour plus d’informations : <a href="https://ggrepel.slowkow.com/" class="uri">https://ggrepel.slowkow.com/</a></p>
</div>
<div id="graphiques-en-sucettes-lollipop" class="section level3 hasAnchor">
<h3 class="hasAnchor">Graphiques en sucettes (<em>lollipop</em>)<a href="#graphiques-en-sucettes-lollipop" class="anchor-section" aria-label="Anchor link to header"></a></h3>
<p>L’extension <code class="pkg">ggalt</code> propose une géométrie <code data-pkg="ggalt">geom_lollipop</code> permettant de réaliser des graphiques dit en <q>sucettes</q>.</p>
<div class="sourceCode" id="cb2"><pre class="sourceCode r"><code class="sourceCode r"><span id="cb2-1"><a href="#cb2-1" tabindex="-1"></a>df <span class="ot"><-</span> <span class="fu">read.csv</span>(<span class="at">text =</span> <span class="st">"category,pct</span></span>
<span id="cb2-2"><a href="#cb2-2" tabindex="-1"></a><span class="st">Other,0.09</span></span>
<span id="cb2-3"><a href="#cb2-3" tabindex="-1"></a><span class="st">South Asian/South Asian Americans,0.12</span></span>
<span id="cb2-4"><a href="#cb2-4" tabindex="-1"></a><span class="st">Interngenerational/Generational,0.21</span></span>
<span id="cb2-5"><a href="#cb2-5" tabindex="-1"></a><span class="st">S Asian/Asian Americans,0.25</span></span>
<span id="cb2-6"><a href="#cb2-6" tabindex="-1"></a><span class="st">Muslim Observance,0.29</span></span>
<span id="cb2-7"><a href="#cb2-7" tabindex="-1"></a><span class="st">Africa/Pan Africa/African Americans,0.34</span></span>
<span id="cb2-8"><a href="#cb2-8" tabindex="-1"></a><span class="st">Gender Equity,0.34</span></span>
<span id="cb2-9"><a href="#cb2-9" tabindex="-1"></a><span class="st">Disability Advocacy,0.49</span></span>
<span id="cb2-10"><a href="#cb2-10" tabindex="-1"></a><span class="st">European/European Americans,0.52</span></span>
<span id="cb2-11"><a href="#cb2-11" tabindex="-1"></a><span class="st">Veteran,0.54</span></span>
<span id="cb2-12"><a href="#cb2-12" tabindex="-1"></a><span class="st">Pacific Islander/Pacific Islander Americans,0.59</span></span>
<span id="cb2-13"><a href="#cb2-13" tabindex="-1"></a><span class="st">Non-Traditional Students,0.61</span></span>
<span id="cb2-14"><a href="#cb2-14" tabindex="-1"></a><span class="st">Religious Equity,0.64</span></span>
<span id="cb2-15"><a href="#cb2-15" tabindex="-1"></a><span class="st">Caribbean/Caribbean Americans,0.67</span></span>
<span id="cb2-16"><a href="#cb2-16" tabindex="-1"></a><span class="st">Latino/Latina,0.69</span></span>
<span id="cb2-17"><a href="#cb2-17" tabindex="-1"></a><span class="st">Middle Eastern Heritages and Traditions,0.73</span></span>
<span id="cb2-18"><a href="#cb2-18" tabindex="-1"></a><span class="st">Trans-racial Adoptee/Parent,0.76</span></span>
<span id="cb2-19"><a href="#cb2-19" tabindex="-1"></a><span class="st">LBGTQ/Ally,0.79</span></span>
<span id="cb2-20"><a href="#cb2-20" tabindex="-1"></a><span class="st">Mixed Race,0.80</span></span>
<span id="cb2-21"><a href="#cb2-21" tabindex="-1"></a><span class="st">Jewish Heritage/Observance,0.85</span></span>
<span id="cb2-22"><a href="#cb2-22" tabindex="-1"></a><span class="st">International Students,0.87"</span>, <span class="at">stringsAsFactors =</span> <span class="cn">FALSE</span>, <span class="at">sep =</span> <span class="st">","</span>, <span class="at">header =</span> <span class="cn">TRUE</span>)</span>
<span id="cb2-23"><a href="#cb2-23" tabindex="-1"></a></span>
<span id="cb2-24"><a href="#cb2-24" tabindex="-1"></a><span class="fu">library</span>(ggplot2)</span>
<span id="cb2-25"><a href="#cb2-25" tabindex="-1"></a><span class="fu">library</span>(ggalt)</span>
<span id="cb2-26"><a href="#cb2-26" tabindex="-1"></a><span class="fu">library</span>(scales)</span>
<span id="cb2-27"><a href="#cb2-27" tabindex="-1"></a></span>
<span id="cb2-28"><a href="#cb2-28" tabindex="-1"></a><span class="fu">ggplot</span>(df) <span class="sc">+</span></span>
<span id="cb2-29"><a href="#cb2-29" tabindex="-1"></a> <span class="fu">aes</span>(<span class="at">y =</span> <span class="fu">reorder</span>(category, pct), <span class="at">x =</span> pct) <span class="sc">+</span></span>
<span id="cb2-30"><a href="#cb2-30" tabindex="-1"></a> <span class="fu">geom_lollipop</span>(<span class="at">point.colour =</span> <span class="st">"steelblue"</span>, <span class="at">point.size =</span> <span class="dv">2</span>, <span class="at">horizontal =</span> <span class="cn">TRUE</span>) <span class="sc">+</span></span>
<span id="cb2-31"><a href="#cb2-31" tabindex="-1"></a> <span class="fu">scale_x_continuous</span>(<span class="at">expand =</span> <span class="fu">c</span>(<span class="dv">0</span>, <span class="dv">0</span>), <span class="at">labels =</span> percent, <span class="at">breaks =</span> <span class="fu">seq</span>(<span class="dv">0</span>, <span class="dv">1</span>, <span class="at">by =</span> <span class="fl">0.2</span>), <span class="at">limits =</span> <span class="fu">c</span>(<span class="dv">0</span>, <span class="dv">1</span>)) <span class="sc">+</span></span>
<span id="cb2-32"><a href="#cb2-32" tabindex="-1"></a> <span class="fu">labs</span>(</span>
<span id="cb2-33"><a href="#cb2-33" tabindex="-1"></a> <span class="at">x =</span> <span class="cn">NULL</span>, <span class="at">y =</span> <span class="cn">NULL</span>,</span>
<span id="cb2-34"><a href="#cb2-34" tabindex="-1"></a> <span class="at">title =</span> <span class="st">"SUNY Cortland Multicultural Alumni survey results"</span>,</span>
<span id="cb2-35"><a href="#cb2-35" tabindex="-1"></a> <span class="at">subtitle =</span> <span class="st">"Ranked by race, ethnicity, home land and orientation</span><span class="sc">\n</span><span class="st">among the top areas of concern"</span>,</span>
<span id="cb2-36"><a href="#cb2-36" tabindex="-1"></a> <span class="at">caption =</span> <span class="st">"Data from http://stephanieevergreen.com/lollipop/"</span></span>
<span id="cb2-37"><a href="#cb2-37" tabindex="-1"></a> ) <span class="sc">+</span></span>
<span id="cb2-38"><a href="#cb2-38" tabindex="-1"></a> <span class="fu">theme_minimal</span>()</span></code></pre></div>
<pre><code>Warning: Using the `size` aesthetic with geom_segment was deprecated
in ggplot2 3.4.0.
ℹ Please use the `linewidth` aesthetic instead.</code></pre>
<p><img src="graphs/etendre-ggplot2/unnamed-chunk-2-1.png" width="1050" /></p>
</div>
<div id="graphique-dhaltères-dumbbell" class="section level3 hasAnchor">
<h3 class="hasAnchor">Graphique d’haltères (<em>dumbbell</em>)<a href="#graphique-dhaltères-dumbbell" class="anchor-section" aria-label="Anchor link to header"></a></h3>
<p>L’extension <code class="pkg">ggalt</code> propose une géométrie <code data-pkg="ggalt">geom_dumbbell</code> permettant de réaliser des graphiques dit en <q>haltères</q>.</p>
<div class="sourceCode" id="cb4"><pre class="sourceCode r"><code class="sourceCode r"><span id="cb4-1"><a href="#cb4-1" tabindex="-1"></a><span class="fu">library</span>(ggalt)</span>
<span id="cb4-2"><a href="#cb4-2" tabindex="-1"></a>df <span class="ot"><-</span> <span class="fu">data.frame</span>(</span>
<span id="cb4-3"><a href="#cb4-3" tabindex="-1"></a> <span class="at">trt =</span> LETTERS[<span class="dv">1</span><span class="sc">:</span><span class="dv">5</span>],</span>
<span id="cb4-4"><a href="#cb4-4" tabindex="-1"></a> <span class="at">l =</span> <span class="fu">c</span>(<span class="dv">20</span>, <span class="dv">40</span>, <span class="dv">10</span>, <span class="dv">30</span>, <span class="dv">50</span>),</span>
<span id="cb4-5"><a href="#cb4-5" tabindex="-1"></a> <span class="at">r =</span> <span class="fu">c</span>(<span class="dv">70</span>, <span class="dv">50</span>, <span class="dv">30</span>, <span class="dv">60</span>, <span class="dv">80</span>)</span>
<span id="cb4-6"><a href="#cb4-6" tabindex="-1"></a>)</span>
<span id="cb4-7"><a href="#cb4-7" tabindex="-1"></a></span>
<span id="cb4-8"><a href="#cb4-8" tabindex="-1"></a><span class="fu">ggplot</span>(df) <span class="sc">+</span></span>
<span id="cb4-9"><a href="#cb4-9" tabindex="-1"></a> <span class="fu">aes</span>(<span class="at">y =</span> trt, <span class="at">x =</span> l, <span class="at">xend =</span> r) <span class="sc">+</span></span>
<span id="cb4-10"><a href="#cb4-10" tabindex="-1"></a> <span class="fu">geom_dumbbell</span>(</span>
<span id="cb4-11"><a href="#cb4-11" tabindex="-1"></a> <span class="at">size =</span> <span class="dv">3</span>,</span>
<span id="cb4-12"><a href="#cb4-12" tabindex="-1"></a> <span class="at">color =</span> <span class="st">"#e3e2e1"</span>,</span>
<span id="cb4-13"><a href="#cb4-13" tabindex="-1"></a> <span class="at">colour_x =</span> <span class="st">"#5b8124"</span>,</span>
<span id="cb4-14"><a href="#cb4-14" tabindex="-1"></a> <span class="at">colour_xend =</span> <span class="st">"#bad744"</span></span>
<span id="cb4-15"><a href="#cb4-15" tabindex="-1"></a> ) <span class="sc">+</span></span>
<span id="cb4-16"><a href="#cb4-16" tabindex="-1"></a> <span class="fu">labs</span>(<span class="at">x =</span> <span class="cn">NULL</span>, <span class="at">y =</span> <span class="cn">NULL</span>) <span class="sc">+</span></span>
<span id="cb4-17"><a href="#cb4-17" tabindex="-1"></a> <span class="fu">theme_minimal</span>()</span></code></pre></div>
<p><img src="graphs/etendre-ggplot2/unnamed-chunk-3-1.png" width="1050" /></p>
</div>
<div id="points-reliés-pointpath" class="section level3 hasAnchor">
<h3 class="hasAnchor">Points reliés (<em>pointpath</em>)<a href="#points-reliés-pointpath" class="anchor-section" aria-label="Anchor link to header"></a></h3>
<p>L’extension <code>ggh4x</code> propose une géométrie <code data-pkg="ggh4x">geom_pointpath</code> pour afficher des points reliés entre eux par un tiret. La géométrie <code data-pkg="lemon">geom_pointpath</code> est également proposée par l’extension <code class="pkg">lemon</code>.</p>
<div class="sourceCode" id="cb5"><pre class="sourceCode r"><code class="sourceCode r"><span id="cb5-1"><a href="#cb5-1" tabindex="-1"></a><span class="fu">library</span>(ggh4x)</span>
<span id="cb5-2"><a href="#cb5-2" tabindex="-1"></a><span class="fu">ggplot</span>(pressure) <span class="sc">+</span></span>
<span id="cb5-3"><a href="#cb5-3" tabindex="-1"></a> <span class="fu">aes</span>(<span class="at">x =</span> temperature, <span class="at">y =</span> pressure) <span class="sc">+</span></span>
<span id="cb5-4"><a href="#cb5-4" tabindex="-1"></a> <span class="fu">geom_pointpath</span>()</span></code></pre></div>
<p><img src="graphs/etendre-ggplot2/unnamed-chunk-4-1.png" width="1050" /></p>
</div>
<div id="accolades-de-comparaison-bracket" class="section level3 hasAnchor">
<h3 class="hasAnchor">Accolades de comparaison (<em>bracket</em>)<a href="#accolades-de-comparaison-bracket" class="anchor-section" aria-label="Anchor link to header"></a></h3>
<p>La géométrie <code data-pkg="ggpubr">geom_braket</code> de l’extension <code class="pkg">ggpubr</code> permets d’ajouter sur un graphique des accolades de comparaison entre groupes.</p>
<div class="sourceCode" id="cb6"><pre class="sourceCode r"><code class="sourceCode r"><span id="cb6-1"><a href="#cb6-1" tabindex="-1"></a><span class="fu">library</span>(ggpubr)</span>
<span id="cb6-2"><a href="#cb6-2" tabindex="-1"></a>df <span class="ot"><-</span> ToothGrowth</span>
<span id="cb6-3"><a href="#cb6-3" tabindex="-1"></a>df<span class="sc">$</span>dose <span class="ot"><-</span> <span class="fu">factor</span>(df<span class="sc">$</span>dose)</span>
<span id="cb6-4"><a href="#cb6-4" tabindex="-1"></a></span>
<span id="cb6-5"><a href="#cb6-5" tabindex="-1"></a><span class="fu">ggplot</span>(df) <span class="sc">+</span></span>
<span id="cb6-6"><a href="#cb6-6" tabindex="-1"></a> <span class="fu">aes</span>(<span class="at">x =</span> dose, <span class="at">y =</span> len) <span class="sc">+</span></span>
<span id="cb6-7"><a href="#cb6-7" tabindex="-1"></a> <span class="fu">geom_boxplot</span>() <span class="sc">+</span></span>
<span id="cb6-8"><a href="#cb6-8" tabindex="-1"></a> <span class="fu">geom_bracket</span>(</span>
<span id="cb6-9"><a href="#cb6-9" tabindex="-1"></a> <span class="at">xmin =</span> <span class="st">"0.5"</span>, <span class="at">xmax =</span> <span class="st">"1"</span>, <span class="at">y.position =</span> <span class="dv">30</span>,</span>
<span id="cb6-10"><a href="#cb6-10" tabindex="-1"></a> <span class="at">label =</span> <span class="st">"t-test, p < 0.05"</span></span>
<span id="cb6-11"><a href="#cb6-11" tabindex="-1"></a> )</span></code></pre></div>
<p><img src="graphs/etendre-ggplot2/unnamed-chunk-5-1.png" width="1050" /></p>
<div class="sourceCode" id="cb7"><pre class="sourceCode r"><code class="sourceCode r"><span id="cb7-1"><a href="#cb7-1" tabindex="-1"></a><span class="fu">ggplot</span>(df) <span class="sc">+</span></span>
<span id="cb7-2"><a href="#cb7-2" tabindex="-1"></a> <span class="fu">aes</span>(<span class="at">x =</span> dose, <span class="at">y =</span> len) <span class="sc">+</span></span>
<span id="cb7-3"><a href="#cb7-3" tabindex="-1"></a> <span class="fu">geom_boxplot</span>() <span class="sc">+</span></span>
<span id="cb7-4"><a href="#cb7-4" tabindex="-1"></a> <span class="fu">geom_bracket</span>(</span>
<span id="cb7-5"><a href="#cb7-5" tabindex="-1"></a> <span class="at">xmin =</span> <span class="fu">c</span>(<span class="st">"0.5"</span>, <span class="st">"1"</span>),</span>
<span id="cb7-6"><a href="#cb7-6" tabindex="-1"></a> <span class="at">xmax =</span> <span class="fu">c</span>(<span class="st">"1"</span>, <span class="st">"2"</span>),</span>
<span id="cb7-7"><a href="#cb7-7" tabindex="-1"></a> <span class="at">y.position =</span> <span class="fu">c</span>(<span class="dv">30</span>, <span class="dv">35</span>),</span>
<span id="cb7-8"><a href="#cb7-8" tabindex="-1"></a> <span class="at">label =</span> <span class="fu">c</span>(<span class="st">"***"</span>, <span class="st">"**"</span>),</span>
<span id="cb7-9"><a href="#cb7-9" tabindex="-1"></a> <span class="at">tip.length =</span> <span class="fl">0.01</span></span>
<span id="cb7-10"><a href="#cb7-10" tabindex="-1"></a> )</span></code></pre></div>
<p><img src="graphs/etendre-ggplot2/unnamed-chunk-5-2.png" width="1050" /></p>
<p>Plus d’informations : <a href="https://rpkgs.datanovia.com/ggpubr/" class="uri">https://rpkgs.datanovia.com/ggpubr/</a></p>
</div>
<div id="diagramme-en-crêtes-ridges" class="section level3 hasAnchor">
<h3 class="hasAnchor">Diagramme en crêtes (<em>ridges</em>)<a href="#diagramme-en-crêtes-ridges" class="anchor-section" aria-label="Anchor link to header"></a></h3>
<p>L’extension <code class="pkg">ggridges</code> fournit une géométrie <code data-pkg="ggridges">geom_density_ridges_gradient</code> pour la création de diagramme en crêtes.</p>
<div class="sourceCode" id="cb8"><pre class="sourceCode r"><code class="sourceCode r"><span id="cb8-1"><a href="#cb8-1" tabindex="-1"></a><span class="fu">library</span>(ggridges)</span>
<span id="cb8-2"><a href="#cb8-2" tabindex="-1"></a><span class="fu">ggplot</span>(lincoln_weather, <span class="fu">aes</span>(<span class="at">x =</span> <span class="st">`</span><span class="at">Mean Temperature [F]</span><span class="st">`</span>, <span class="at">y =</span> Month, <span class="at">fill =</span> <span class="fu">stat</span>(x))) <span class="sc">+</span></span>
<span id="cb8-3"><a href="#cb8-3" tabindex="-1"></a> <span class="fu">geom_density_ridges_gradient</span>(<span class="at">scale =</span> <span class="dv">3</span>, <span class="at">rel_min_height =</span> <span class="fl">0.01</span>) <span class="sc">+</span></span>
<span id="cb8-4"><a href="#cb8-4" tabindex="-1"></a> <span class="fu">scale_fill_viridis_c</span>(<span class="at">name =</span> <span class="st">"Temp. [F]"</span>, <span class="at">option =</span> <span class="st">"C"</span>) <span class="sc">+</span></span>
<span id="cb8-5"><a href="#cb8-5" tabindex="-1"></a> <span class="fu">labs</span>(<span class="at">title =</span> <span class="st">"Temperatures in Lincoln NE in 2016"</span>) <span class="sc">+</span></span>
<span id="cb8-6"><a href="#cb8-6" tabindex="-1"></a> <span class="fu">theme_ridges</span>()</span></code></pre></div>
<pre><code>Warning: `stat(x)` was deprecated in ggplot2 3.4.0.
ℹ Please use `after_stat(x)` instead.</code></pre>
<pre><code>Picking joint bandwidth of 3.37</code></pre>
<p><img src="graphs/etendre-ggplot2/unnamed-chunk-6-1.png" width="1050" /></p>
<p>Plus d’informations : <a href="https://wilkelab.org/ggridges/" class="uri">https://wilkelab.org/ggridges/</a></p>
</div>
<div id="graphique-en-gaufres-waffle" class="section level3 hasAnchor">
<h3 class="hasAnchor">Graphique en gaufres (<em>waffle</em>)<a href="#graphique-en-gaufres-waffle" class="anchor-section" aria-label="Anchor link to header"></a></h3>
<p>L’extension <code class="pkg">waffle</code> propose <code data-pkg="waffle">geom_waffle</code> pour des graphiques dits en <q>gaufres</q>.</p>
<p>ATTENTION : elle s’installe avec la commande <code>install.packages("waffle", repos = "https://cinc.rud.is")</code>.</p>
<div class="sourceCode" id="cb11"><pre class="sourceCode r"><code class="sourceCode r"><span id="cb11-1"><a href="#cb11-1" tabindex="-1"></a><span class="fu">library</span>(waffle)</span>
<span id="cb11-2"><a href="#cb11-2" tabindex="-1"></a>xdf <span class="ot"><-</span> <span class="fu">data.frame</span>(</span>
<span id="cb11-3"><a href="#cb11-3" tabindex="-1"></a> <span class="at">parts =</span> <span class="fu">factor</span>(<span class="fu">rep</span>(month.abb[<span class="dv">1</span><span class="sc">:</span><span class="dv">3</span>], <span class="dv">3</span>), <span class="at">levels =</span> month.abb[<span class="dv">1</span><span class="sc">:</span><span class="dv">3</span>]),</span>
<span id="cb11-4"><a href="#cb11-4" tabindex="-1"></a> <span class="at">vals =</span> <span class="fu">c</span>(<span class="dv">10</span>, <span class="dv">20</span>, <span class="dv">30</span>, <span class="dv">6</span>, <span class="dv">14</span>, <span class="dv">40</span>, <span class="dv">30</span>, <span class="dv">20</span>, <span class="dv">10</span>),</span>
<span id="cb11-5"><a href="#cb11-5" tabindex="-1"></a> <span class="at">fct =</span> <span class="fu">c</span>(<span class="fu">rep</span>(<span class="st">"Thing 1"</span>, <span class="dv">3</span>), <span class="fu">rep</span>(<span class="st">"Thing 2"</span>, <span class="dv">3</span>), <span class="fu">rep</span>(<span class="st">"Thing 3"</span>, <span class="dv">3</span>))</span>
<span id="cb11-6"><a href="#cb11-6" tabindex="-1"></a>)</span>
<span id="cb11-7"><a href="#cb11-7" tabindex="-1"></a></span>
<span id="cb11-8"><a href="#cb11-8" tabindex="-1"></a><span class="fu">ggplot</span>(xdf) <span class="sc">+</span></span>
<span id="cb11-9"><a href="#cb11-9" tabindex="-1"></a> <span class="fu">aes</span>(<span class="at">fill =</span> parts, <span class="at">values =</span> vals) <span class="sc">+</span></span>
<span id="cb11-10"><a href="#cb11-10" tabindex="-1"></a> <span class="fu">geom_waffle</span>() <span class="sc">+</span></span>
<span id="cb11-11"><a href="#cb11-11" tabindex="-1"></a> <span class="fu">facet_wrap</span>(<span class="sc">~</span>fct) <span class="sc">+</span></span>
<span id="cb11-12"><a href="#cb11-12" tabindex="-1"></a> <span class="fu">scale_fill_manual</span>(</span>
<span id="cb11-13"><a href="#cb11-13" tabindex="-1"></a> <span class="at">name =</span> <span class="cn">NULL</span>,</span>
<span id="cb11-14"><a href="#cb11-14" tabindex="-1"></a> <span class="at">values =</span> <span class="fu">c</span>(<span class="st">"#a40000"</span>, <span class="st">"#c68958"</span>, <span class="st">"#ae6056"</span>),</span>
<span id="cb11-15"><a href="#cb11-15" tabindex="-1"></a> <span class="at">labels =</span> <span class="fu">c</span>(<span class="st">"Fruit"</span>, <span class="st">"Sammich"</span>, <span class="st">"Pizza"</span>)</span>
<span id="cb11-16"><a href="#cb11-16" tabindex="-1"></a> ) <span class="sc">+</span></span>
<span id="cb11-17"><a href="#cb11-17" tabindex="-1"></a> <span class="fu">coord_equal</span>() <span class="sc">+</span></span>
<span id="cb11-18"><a href="#cb11-18" tabindex="-1"></a> <span class="fu">theme_minimal</span>() <span class="sc">+</span></span>
<span id="cb11-19"><a href="#cb11-19" tabindex="-1"></a> <span class="fu">theme_enhance_waffle</span>()</span></code></pre></div>
<p><img src="graphs/etendre-ggplot2/unnamed-chunk-7-1.png" width="1050" /></p>
<p>Plus d’informations : <a href="https://github.com/hrbrmstr/waffle" class="uri">https://github.com/hrbrmstr/waffle</a></p>
</div>
<div id="graphique-en-mosaïque-mosaic-plot" class="section level3 hasAnchor">
<h3 class="hasAnchor">Graphique en mosaïque (<em>mosaic plot</em>)<a href="#graphique-en-mosaïque-mosaic-plot" class="anchor-section" aria-label="Anchor link to header"></a></h3>
<p>L’extension <code class="pkg">ggmosaic</code> permets de réaliser des graphiques en mosaïque avec <code data-pkg="ggmosaic">geom_mosaic</code>.</p>
<div class="sourceCode" id="cb12"><pre class="sourceCode r"><code class="sourceCode r"><span id="cb12-1"><a href="#cb12-1" tabindex="-1"></a><span class="fu">library</span>(ggmosaic)</span>
<span id="cb12-2"><a href="#cb12-2" tabindex="-1"></a><span class="fu">data</span>(titanic)</span>
<span id="cb12-3"><a href="#cb12-3" tabindex="-1"></a></span>
<span id="cb12-4"><a href="#cb12-4" tabindex="-1"></a><span class="fu">ggplot</span>(<span class="at">data =</span> titanic) <span class="sc">+</span></span>
<span id="cb12-5"><a href="#cb12-5" tabindex="-1"></a> <span class="fu">geom_mosaic</span>(<span class="fu">aes</span>(<span class="at">x =</span> <span class="fu">product</span>(Class), <span class="at">fill =</span> Survived))</span></code></pre></div>
<pre><code>Warning: `unite_()` was deprecated in tidyr 1.2.0.
ℹ Please use `unite()` instead.
ℹ The deprecated feature was likely used in the ggmosaic
package.
Please report the issue at
<]8;;https://github.com/haleyjeppson/ggmosaichttps://github.com/haleyjeppson/ggmosaic]8;;>.</code></pre>
<p><img src="graphs/etendre-ggplot2/unnamed-chunk-8-1.png" width="1050" /></p>
<p>Plus d’informations : <a href="https://cran.r-project.org/web/packages/ggmosaic/vignettes/ggmosaic.html" class="uri">https://cran.r-project.org/web/packages/ggmosaic/vignettes/ggmosaic.html</a></p>
</div>
<div id="représentations-graphiques-des-distributions-et-de-lincertitude" class="section level3 hasAnchor">
<h3 class="hasAnchor">Représentations graphiques des distributions et de l’incertitude<a href="#représentations-graphiques-des-distributions-et-de-lincertitude" class="anchor-section" aria-label="Anchor link to header"></a></h3>
<p>L’extension <code class="pkg">ggdist</code> propose plusieurs géométries permettant de représenter l’incertitude autour de certaines mesures.</p>
<p><img src="images/ggdist_preview.png" /></p>
</div>
<div id="graphique-de-pirates-alternative-aux-boîtes-à-moustache-pirat-plot" class="section level3 hasAnchor">
<h3 class="hasAnchor">Graphique de pirates : alternative aux boîtes à moustache (<em>pirat plot</em>)<a href="#graphique-de-pirates-alternative-aux-boîtes-à-moustache-pirat-plot" class="anchor-section" aria-label="Anchor link to header"></a></h3>
<p>Cette représentation alternative aux boîtes à moustache s’obtient avec la géométrie <code data-pkg="ggpirate">geom_pirate</code> de l’extension <code class="pkg">ggpirate</code><a href="#fn1" class="footnote-ref" id="fnref1"><sup>1</sup></a>.</p>
<div class="sourceCode" id="cb14"><pre class="sourceCode r"><code class="sourceCode r"><span id="cb14-1"><a href="#cb14-1" tabindex="-1"></a><span class="fu">library</span>(ggplot2)</span>
<span id="cb14-2"><a href="#cb14-2" tabindex="-1"></a><span class="fu">library</span>(ggpirate)</span>
<span id="cb14-3"><a href="#cb14-3" tabindex="-1"></a><span class="fu">ggplot</span>(mpg, <span class="fu">aes</span>(<span class="at">x =</span> class, <span class="at">y =</span> cty)) <span class="sc">+</span></span>
<span id="cb14-4"><a href="#cb14-4" tabindex="-1"></a> <span class="fu">geom_pirate</span>(<span class="fu">aes</span>(<span class="at">colour =</span> class, <span class="at">fill =</span> class)) <span class="sc">+</span></span>
<span id="cb14-5"><a href="#cb14-5" tabindex="-1"></a> <span class="fu">theme_bw</span>()</span></code></pre></div>
<p><img src="graphs/etendre-ggplot2/unnamed-chunk-9-1.png" width="1050" /></p>
<p>Pour plus d’informations : <a href="https://github.com/mikabr/ggpirate" class="uri">https://github.com/mikabr/ggpirate</a></p>
</div>
<div id="nuages-de-pluie-raincloud-plots" class="section level3 hasAnchor">
<h3 class="hasAnchor">Nuages de pluie (<em>raincloud plots</em>)<a href="#nuages-de-pluie-raincloud-plots" class="anchor-section" aria-label="Anchor link to header"></a></h3>
<p>Il existe encore d’autres approches graphiques pour mieux rendre compte visuellement différentes distrubutions comme les <dfn lang="en">raincloud plots</dfn>. Pour en savoir plus, on pourra se référer à un <a href="https://www.cedricscherer.com/2021/06/06/visualizing-distributions-with-raincloud-plots-with-ggplot2/">billet de blog en anglais de Cédric Scherer</a> ou encore à l’extension <code class="pkg">raincloudplots</code>.</p>
<p><img src="images/raincloud_plot_example.png" /></p>
</div>
<div id="demi-géométries" class="section level3 hasAnchor">
<h3 class="hasAnchor">Demi-géométries<a href="#demi-géométries" class="anchor-section" aria-label="Anchor link to header"></a></h3>
<p>L’extension <code class="pkg">gghalves</code> propose des <q>demi-géométries</q> qui peuvent être combinées entre elles.</p>
<div class="sourceCode" id="cb15"><pre class="sourceCode r"><code class="sourceCode r"><span id="cb15-1"><a href="#cb15-1" tabindex="-1"></a><span class="fu">library</span>(gghalves)</span>
<span id="cb15-2"><a href="#cb15-2" tabindex="-1"></a><span class="fu">ggplot</span>(iris, <span class="fu">aes</span>(<span class="at">x =</span> Species, <span class="at">y =</span> Sepal.Width)) <span class="sc">+</span></span>
<span id="cb15-3"><a href="#cb15-3" tabindex="-1"></a> <span class="fu">geom_half_boxplot</span>(<span class="at">fill =</span> <span class="st">"lightblue"</span>) <span class="sc">+</span></span>
<span id="cb15-4"><a href="#cb15-4" tabindex="-1"></a> <span class="fu">geom_half_violin</span>(<span class="at">side =</span> <span class="st">"r"</span>, <span class="at">fill =</span> <span class="st">"navajowhite"</span>)</span></code></pre></div>
<p><img src="graphs/etendre-ggplot2/unnamed-chunk-10-1.png" width="1050" /></p>
</div>
<div id="annotations-avec-des-formes-gémoétriques" class="section level3 hasAnchor">
<h3 class="hasAnchor">Annotations avec des formes gémoétriques<a href="#annotations-avec-des-formes-gémoétriques" class="anchor-section" aria-label="Anchor link to header"></a></h3>
<p>L’extension <code class="pkg">ggforce</code> fournie plusieurs géométries permettant d’annoter les points d’un nuage : <code data-pkg="ggforce">geom_mark_circle</code>, <code data-pkg="ggforce">geom_mark_ellipse</code>, <code data-pkg="ggforce">geom_mark_rect</code> et <code data-pkg="ggforce">geom_mark_hull</code>.</p>
<div class="sourceCode" id="cb16"><pre class="sourceCode r"><code class="sourceCode r"><span id="cb16-1"><a href="#cb16-1" tabindex="-1"></a><span class="fu">library</span>(ggforce)</span>
<span id="cb16-2"><a href="#cb16-2" tabindex="-1"></a><span class="fu">ggplot</span>(iris, <span class="fu">aes</span>(Petal.Length, Petal.Width)) <span class="sc">+</span></span>
<span id="cb16-3"><a href="#cb16-3" tabindex="-1"></a> <span class="fu">geom_mark_rect</span>(<span class="fu">aes</span>(<span class="at">fill =</span> Species, <span class="at">label =</span> Species)) <span class="sc">+</span></span>
<span id="cb16-4"><a href="#cb16-4" tabindex="-1"></a> <span class="fu">geom_point</span>()</span></code></pre></div>
<p><img src="graphs/etendre-ggplot2/unnamed-chunk-11-1.png" width="1050" /></p>
<div class="sourceCode" id="cb17"><pre class="sourceCode r"><code class="sourceCode r"><span id="cb17-1"><a href="#cb17-1" tabindex="-1"></a><span class="fu">ggplot</span>(iris, <span class="fu">aes</span>(Petal.Length, Petal.Width)) <span class="sc">+</span></span>
<span id="cb17-2"><a href="#cb17-2" tabindex="-1"></a> <span class="fu">geom_mark_hull</span>(<span class="fu">aes</span>(<span class="at">fill =</span> Species, <span class="at">label =</span> Species)) <span class="sc">+</span></span>
<span id="cb17-3"><a href="#cb17-3" tabindex="-1"></a> <span class="fu">geom_point</span>()</span></code></pre></div>
<p><img src="graphs/etendre-ggplot2/unnamed-chunk-11-2.png" width="1050" /></p>
</div>
</div>
<div id="axes-légende-et-facettes" class="section level2 hasAnchor">
<h2 class="hasAnchor">Axes, légende et facettes<a href="#axes-légende-et-facettes" class="anchor-section" aria-label="Anchor link to header"></a></h2>
<div id="texte-mis-en-forme" class="section level3 hasAnchor">
<h3 class="hasAnchor">Texte mis en forme<a href="#texte-mis-en-forme" class="anchor-section" aria-label="Anchor link to header"></a></h3>
<p>L’extension <code class="pkg">ggtext</code> permet d’utiliser du <em>markdown</em> et du <em>HTML</em> pour une mise en forme avancée de texte (axes, titres, légendes…).</p>
<div class="sourceCode" id="cb18"><pre class="sourceCode r"><code class="sourceCode r"><span id="cb18-1"><a href="#cb18-1" tabindex="-1"></a><span class="fu">library</span>(ggtext)</span>
<span id="cb18-2"><a href="#cb18-2" tabindex="-1"></a></span>
<span id="cb18-3"><a href="#cb18-3" tabindex="-1"></a><span class="fu">library</span>(tidyverse)</span>
<span id="cb18-4"><a href="#cb18-4" tabindex="-1"></a><span class="fu">library</span>(ggtext)</span>
<span id="cb18-5"><a href="#cb18-5" tabindex="-1"></a><span class="fu">library</span>(glue)</span>
<span id="cb18-6"><a href="#cb18-6" tabindex="-1"></a></span>
<span id="cb18-7"><a href="#cb18-7" tabindex="-1"></a>data <span class="ot"><-</span> <span class="fu">tibble</span>(</span>
<span id="cb18-8"><a href="#cb18-8" tabindex="-1"></a> <span class="at">bactname =</span> <span class="fu">c</span>(<span class="st">"Staphylococcaceae"</span>, <span class="st">"Moraxella"</span>, <span class="st">"Streptococcus"</span>, <span class="st">"Acinetobacter"</span>),</span>
<span id="cb18-9"><a href="#cb18-9" tabindex="-1"></a> <span class="at">OTUname =</span> <span class="fu">c</span>(<span class="st">"OTU 1"</span>, <span class="st">"OTU 2"</span>, <span class="st">"OTU 3"</span>, <span class="st">"OTU 4"</span>),</span>
<span id="cb18-10"><a href="#cb18-10" tabindex="-1"></a> <span class="at">value =</span> <span class="fu">c</span>(<span class="sc">-</span><span class="fl">0.5</span>, <span class="fl">0.5</span>, <span class="dv">2</span>, <span class="dv">3</span>)</span>
<span id="cb18-11"><a href="#cb18-11" tabindex="-1"></a>)</span>
<span id="cb18-12"><a href="#cb18-12" tabindex="-1"></a></span>
<span id="cb18-13"><a href="#cb18-13" tabindex="-1"></a>data <span class="sc">%>%</span></span>
<span id="cb18-14"><a href="#cb18-14" tabindex="-1"></a> <span class="fu">mutate</span>(</span>
<span id="cb18-15"><a href="#cb18-15" tabindex="-1"></a> <span class="at">color =</span> <span class="fu">c</span>(<span class="st">"#009E73"</span>, <span class="st">"#D55E00"</span>, <span class="st">"#0072B2"</span>, <span class="st">"#000000"</span>),</span>
<span id="cb18-16"><a href="#cb18-16" tabindex="-1"></a> <span class="at">name =</span> <span class="fu">glue</span>(<span class="st">"<i style='color:{color}'>{bactname}</i> ({OTUname})"</span>),</span>
<span id="cb18-17"><a href="#cb18-17" tabindex="-1"></a> <span class="at">name =</span> <span class="fu">fct_reorder</span>(name, value)</span>
<span id="cb18-18"><a href="#cb18-18" tabindex="-1"></a> ) <span class="sc">%>%</span></span>
<span id="cb18-19"><a href="#cb18-19" tabindex="-1"></a> <span class="fu">ggplot</span>(<span class="fu">aes</span>(value, name, <span class="at">fill =</span> color)) <span class="sc">+</span></span>
<span id="cb18-20"><a href="#cb18-20" tabindex="-1"></a> <span class="fu">geom_col</span>(<span class="at">alpha =</span> <span class="fl">0.5</span>) <span class="sc">+</span></span>
<span id="cb18-21"><a href="#cb18-21" tabindex="-1"></a> <span class="fu">scale_fill_identity</span>() <span class="sc">+</span></span>
<span id="cb18-22"><a href="#cb18-22" tabindex="-1"></a> <span class="fu">labs</span>(<span class="at">caption =</span> <span class="st">"Example posted on **stackoverflow.com**<br>(using made-up data)"</span>) <span class="sc">+</span></span>
<span id="cb18-23"><a href="#cb18-23" tabindex="-1"></a> <span class="fu">theme</span>(</span>
<span id="cb18-24"><a href="#cb18-24" tabindex="-1"></a> <span class="at">axis.text.y =</span> <span class="fu">element_markdown</span>(),</span>
<span id="cb18-25"><a href="#cb18-25" tabindex="-1"></a> <span class="at">plot.caption =</span> <span class="fu">element_markdown</span>(<span class="at">lineheight =</span> <span class="fl">1.2</span>)</span>
<span id="cb18-26"><a href="#cb18-26" tabindex="-1"></a> )</span></code></pre></div>
<p><img src="graphs/etendre-ggplot2/unnamed-chunk-12-1.png" width="1050" /></p>
<div class="sourceCode" id="cb19"><pre class="sourceCode r"><code class="sourceCode r"><span id="cb19-1"><a href="#cb19-1" tabindex="-1"></a><span class="fu">ggplot</span>(mtcars, <span class="fu">aes</span>(disp, mpg)) <span class="sc">+</span></span>
<span id="cb19-2"><a href="#cb19-2" tabindex="-1"></a> <span class="fu">geom_point</span>() <span class="sc">+</span></span>
<span id="cb19-3"><a href="#cb19-3" tabindex="-1"></a> <span class="fu">labs</span>(</span>
<span id="cb19-4"><a href="#cb19-4" tabindex="-1"></a> <span class="at">title =</span> <span class="st">"<b>Fuel economy vs. engine displacement</b><br></span></span>
<span id="cb19-5"><a href="#cb19-5" tabindex="-1"></a><span class="st"> <span style = 'font-size:10pt'>Lorem ipsum *dolor sit amet,*</span></span>
<span id="cb19-6"><a href="#cb19-6" tabindex="-1"></a><span class="st"> consectetur adipiscing elit, **sed do eiusmod tempor incididunt** ut</span></span>
<span id="cb19-7"><a href="#cb19-7" tabindex="-1"></a><span class="st"> labore et dolore magna aliqua. <span style = 'color:red;'>Ut enim</span></span>
<span id="cb19-8"><a href="#cb19-8" tabindex="-1"></a><span class="st"> ad minim veniam,</span> quis nostrud exercitation ullamco laboris nisi</span></span>
<span id="cb19-9"><a href="#cb19-9" tabindex="-1"></a><span class="st"> ut aliquip ex ea commodo consequat.</span>"</span>,</span>
<span id="cb19-10"><a href="#cb19-10" tabindex="-1"></a> <span class="at">x =</span> <span class="st">"displacement (in<sup>3</sup>)"</span>,</span>
<span id="cb19-11"><a href="#cb19-11" tabindex="-1"></a> <span class="at">y =</span> <span class="st">"Miles per gallon (mpg)<br><span style = 'font-size:8pt'>A measure of</span></span>
<span id="cb19-12"><a href="#cb19-12" tabindex="-1"></a><span class="st"> the car's fuel efficiency.</span>"</span></span>
<span id="cb19-13"><a href="#cb19-13" tabindex="-1"></a> ) <span class="sc">+</span></span>
<span id="cb19-14"><a href="#cb19-14" tabindex="-1"></a> <span class="fu">theme</span>(</span>
<span id="cb19-15"><a href="#cb19-15" tabindex="-1"></a> <span class="at">plot.title.position =</span> <span class="st">"plot"</span>,</span>
<span id="cb19-16"><a href="#cb19-16" tabindex="-1"></a> <span class="at">plot.title =</span> <span class="fu">element_textbox_simple</span>(</span>
<span id="cb19-17"><a href="#cb19-17" tabindex="-1"></a> <span class="at">size =</span> <span class="dv">13</span>,</span>
<span id="cb19-18"><a href="#cb19-18" tabindex="-1"></a> <span class="at">lineheight =</span> <span class="dv">1</span>,</span>
<span id="cb19-19"><a href="#cb19-19" tabindex="-1"></a> <span class="at">padding =</span> <span class="fu">margin</span>(<span class="fl">5.5</span>, <span class="fl">5.5</span>, <span class="fl">5.5</span>, <span class="fl">5.5</span>),</span>
<span id="cb19-20"><a href="#cb19-20" tabindex="-1"></a> <span class="at">margin =</span> <span class="fu">margin</span>(<span class="dv">0</span>, <span class="dv">0</span>, <span class="fl">5.5</span>, <span class="dv">0</span>),</span>
<span id="cb19-21"><a href="#cb19-21" tabindex="-1"></a> <span class="at">fill =</span> <span class="st">"cornsilk"</span></span>
<span id="cb19-22"><a href="#cb19-22" tabindex="-1"></a> ),</span>
<span id="cb19-23"><a href="#cb19-23" tabindex="-1"></a> <span class="at">axis.title.x =</span> <span class="fu">element_textbox_simple</span>(</span>
<span id="cb19-24"><a href="#cb19-24" tabindex="-1"></a> <span class="at">width =</span> <span class="cn">NULL</span>,</span>
<span id="cb19-25"><a href="#cb19-25" tabindex="-1"></a> <span class="at">padding =</span> <span class="fu">margin</span>(<span class="dv">4</span>, <span class="dv">4</span>, <span class="dv">4</span>, <span class="dv">4</span>),</span>
<span id="cb19-26"><a href="#cb19-26" tabindex="-1"></a> <span class="at">margin =</span> <span class="fu">margin</span>(<span class="dv">4</span>, <span class="dv">0</span>, <span class="dv">0</span>, <span class="dv">0</span>),</span>
<span id="cb19-27"><a href="#cb19-27" tabindex="-1"></a> <span class="at">linetype =</span> <span class="dv">1</span>,</span>
<span id="cb19-28"><a href="#cb19-28" tabindex="-1"></a> <span class="at">r =</span> grid<span class="sc">::</span><span class="fu">unit</span>(<span class="dv">8</span>, <span class="st">"pt"</span>),</span>
<span id="cb19-29"><a href="#cb19-29" tabindex="-1"></a> <span class="at">fill =</span> <span class="st">"azure1"</span></span>
<span id="cb19-30"><a href="#cb19-30" tabindex="-1"></a> ),</span>
<span id="cb19-31"><a href="#cb19-31" tabindex="-1"></a> <span class="at">axis.title.y =</span> <span class="fu">element_textbox_simple</span>(</span>
<span id="cb19-32"><a href="#cb19-32" tabindex="-1"></a> <span class="at">hjust =</span> <span class="dv">0</span>,</span>
<span id="cb19-33"><a href="#cb19-33" tabindex="-1"></a> <span class="at">orientation =</span> <span class="st">"left-rotated"</span>,</span>
<span id="cb19-34"><a href="#cb19-34" tabindex="-1"></a> <span class="at">minwidth =</span> <span class="fu">unit</span>(<span class="dv">1</span>, <span class="st">"in"</span>),</span>
<span id="cb19-35"><a href="#cb19-35" tabindex="-1"></a> <span class="at">maxwidth =</span> <span class="fu">unit</span>(<span class="dv">2</span>, <span class="st">"in"</span>),</span>
<span id="cb19-36"><a href="#cb19-36" tabindex="-1"></a> <span class="at">padding =</span> <span class="fu">margin</span>(<span class="dv">4</span>, <span class="dv">4</span>, <span class="dv">2</span>, <span class="dv">4</span>),</span>
<span id="cb19-37"><a href="#cb19-37" tabindex="-1"></a> <span class="at">margin =</span> <span class="fu">margin</span>(<span class="dv">0</span>, <span class="dv">0</span>, <span class="dv">2</span>, <span class="dv">0</span>),</span>
<span id="cb19-38"><a href="#cb19-38" tabindex="-1"></a> <span class="at">fill =</span> <span class="st">"lightsteelblue1"</span></span>
<span id="cb19-39"><a href="#cb19-39" tabindex="-1"></a> )</span>
<span id="cb19-40"><a href="#cb19-40" tabindex="-1"></a> )</span></code></pre></div>
<p><img src="graphs/etendre-ggplot2/unnamed-chunk-12-2.png" width="1050" /></p>
</div>
<div id="axes-limités" class="section level3 hasAnchor">
<h3 class="hasAnchor">Axes <q>limités</q><a href="#axes-limités" class="anchor-section" aria-label="Anchor link to header"></a></h3>
<p><code data-pkg="lemon">coord_capped_cart</code> et <code data-pkg="lemon" data-rdoc="coord_capped_cart">coord_capped_flip</code> de l’extension <code class="pkg">lemon</code> permet de limiter le dessin des axes au minimum et au maximum. Voir l’exemple ci-dessous.</p>
<div class="sourceCode" id="cb20"><pre class="sourceCode r"><code class="sourceCode r"><span id="cb20-1"><a href="#cb20-1" tabindex="-1"></a><span class="fu">library</span>(ggplot2)</span>
<span id="cb20-2"><a href="#cb20-2" tabindex="-1"></a><span class="fu">library</span>(lemon)</span>
<span id="cb20-3"><a href="#cb20-3" tabindex="-1"></a>p <span class="ot"><-</span> <span class="fu">ggplot</span>(mtcars) <span class="sc">+</span></span>
<span id="cb20-4"><a href="#cb20-4" tabindex="-1"></a> <span class="fu">aes</span>(<span class="at">x =</span> cyl, <span class="at">y =</span> mpg) <span class="sc">+</span></span>
<span id="cb20-5"><a href="#cb20-5" tabindex="-1"></a> <span class="fu">geom_point</span>() <span class="sc">+</span></span>
<span id="cb20-6"><a href="#cb20-6" tabindex="-1"></a> <span class="fu">theme_classic</span>() <span class="sc">+</span></span>
<span id="cb20-7"><a href="#cb20-7" tabindex="-1"></a> <span class="fu">ggtitle</span>(<span class="st">"Axes classiques"</span>)</span>
<span id="cb20-8"><a href="#cb20-8" tabindex="-1"></a>pcapped <span class="ot"><-</span> p <span class="sc">+</span></span>
<span id="cb20-9"><a href="#cb20-9" tabindex="-1"></a> <span class="fu">coord_capped_cart</span>(<span class="at">bottom =</span> <span class="st">"both"</span>, <span class="at">left =</span> <span class="st">"both"</span>) <span class="sc">+</span></span>
<span id="cb20-10"><a href="#cb20-10" tabindex="-1"></a> <span class="fu">ggtitle</span>(<span class="st">"Axes limités"</span>)</span>
<span id="cb20-11"><a href="#cb20-11" tabindex="-1"></a>cowplot<span class="sc">::</span><span class="fu">plot_grid</span>(p, pcapped, <span class="at">nrow =</span> <span class="dv">1</span>)</span></code></pre></div>
<p><img src="graphs/etendre-ggplot2/unnamed-chunk-13-1.png" width="1050" /></p>
<p>Une autre possibilité est d’avoir recours à la fonction <code data-pkg="ggh4x">guide_axis_truncated</code> de l’extension <code class="pkg">ggh4x</code>.</p>
<div class="sourceCode" id="cb21"><pre class="sourceCode r"><code class="sourceCode r"><span id="cb21-1"><a href="#cb21-1" tabindex="-1"></a><span class="fu">library</span>(ggh4x)</span>
<span id="cb21-2"><a href="#cb21-2" tabindex="-1"></a><span class="fu">ggplot</span>(mtcars) <span class="sc">+</span></span>
<span id="cb21-3"><a href="#cb21-3" tabindex="-1"></a> <span class="fu">aes</span>(<span class="at">x =</span> cyl, <span class="at">y =</span> mpg) <span class="sc">+</span></span>
<span id="cb21-4"><a href="#cb21-4" tabindex="-1"></a> <span class="fu">geom_point</span>() <span class="sc">+</span></span>
<span id="cb21-5"><a href="#cb21-5" tabindex="-1"></a> <span class="fu">theme_classic</span>() <span class="sc">+</span></span>
<span id="cb21-6"><a href="#cb21-6" tabindex="-1"></a> <span class="fu">scale_y_continuous</span>(<span class="at">breaks =</span> <span class="fu">c</span>(<span class="dv">15</span>, <span class="dv">20</span>, <span class="dv">25</span>, <span class="dv">30</span>)) <span class="sc">+</span></span>
<span id="cb21-7"><a href="#cb21-7" tabindex="-1"></a> <span class="fu">guides</span>(</span>
<span id="cb21-8"><a href="#cb21-8" tabindex="-1"></a> <span class="at">x =</span> <span class="fu">guide_axis_truncated</span>(<span class="at">trunc_lower =</span> <span class="dv">5</span>, <span class="at">trunc_upper =</span> <span class="dv">7</span>),</span>
<span id="cb21-9"><a href="#cb21-9" tabindex="-1"></a> <span class="at">y =</span> <span class="fu">guide_axis_truncated</span>()</span>
<span id="cb21-10"><a href="#cb21-10" tabindex="-1"></a> )</span></code></pre></div>
<p><img src="graphs/etendre-ggplot2/unnamed-chunk-14-1.png" width="1050" /></p>
</div>
<div id="répéter-les-étiquettes-des-axes-sur-des-facettes" class="section level3 hasAnchor">
<h3 class="hasAnchor">Répéter les étiquettes des axes sur des facettes<a href="#répéter-les-étiquettes-des-axes-sur-des-facettes" class="anchor-section" aria-label="Anchor link to header"></a></h3>
<p>Lorsque l’on réalise des facettes, les étiquettes des axes ne sont pas répétées.</p>
<div class="sourceCode" id="cb22"><pre class="sourceCode r"><code class="sourceCode r"><span id="cb22-1"><a href="#cb22-1" tabindex="-1"></a><span class="fu">library</span>(ggplot2)</span>
<span id="cb22-2"><a href="#cb22-2" tabindex="-1"></a><span class="fu">ggplot</span>(mpg) <span class="sc">+</span></span>
<span id="cb22-3"><a href="#cb22-3" tabindex="-1"></a> <span class="fu">aes</span>(displ, cty) <span class="sc">+</span></span>
<span id="cb22-4"><a href="#cb22-4" tabindex="-1"></a> <span class="fu">geom_point</span>() <span class="sc">+</span></span>
<span id="cb22-5"><a href="#cb22-5" tabindex="-1"></a> <span class="fu">facet_wrap</span>(<span class="sc">~</span>cyl)</span></code></pre></div>
<p><img src="graphs/etendre-ggplot2/unnamed-chunk-15-1.png" width="1050" /></p>
<p>L’extension <code class="pkg">lemon</code> propose <code data-pkg="lemon">facet_rep_grid</code> et <code data-pkg="lemon" data-rdoc="facet_rep_grid">facet_rep_wrap</code> qui répètent les axes sur chaque facette.</p>
<div class="sourceCode" id="cb23"><pre class="sourceCode r"><code class="sourceCode r"><span id="cb23-1"><a href="#cb23-1" tabindex="-1"></a><span class="fu">library</span>(lemon)</span>
<span id="cb23-2"><a href="#cb23-2" tabindex="-1"></a><span class="fu">ggplot</span>(mpg) <span class="sc">+</span></span>
<span id="cb23-3"><a href="#cb23-3" tabindex="-1"></a> <span class="fu">aes</span>(displ, cty) <span class="sc">+</span></span>
<span id="cb23-4"><a href="#cb23-4" tabindex="-1"></a> <span class="fu">geom_point</span>() <span class="sc">+</span></span>
<span id="cb23-5"><a href="#cb23-5" tabindex="-1"></a> <span class="fu">facet_rep_wrap</span>(<span class="sc">~</span>cyl, <span class="at">repeat.tick.labels =</span> <span class="cn">TRUE</span>)</span></code></pre></div>
<p><img src="graphs/etendre-ggplot2/unnamed-chunk-16-1.png" width="1050" /></p>
</div>
<div id="encoches-mineures-sur-les-axes" class="section level3 hasAnchor">
<h3 class="hasAnchor">Encoches mineures sur les axes<a href="#encoches-mineures-sur-les-axes" class="anchor-section" aria-label="Anchor link to header"></a></h3>
<p>Par défaut, des encoches (<em>ticks</em>) sont dessinées sur les axes uniquement pour la grille principale (<em>major breaks</em>). La fonction <code data-pkg="ggh4x">guide_axis_minor</code> de l’extension <code class="pkg">ggh4x</code> permet de rajouter des encoches aux points de la grille mineure (<em>minor breaks</em>).</p>
<div class="sourceCode" id="cb24"><pre class="sourceCode r"><code class="sourceCode r"><span id="cb24-1"><a href="#cb24-1" tabindex="-1"></a>p <span class="ot"><-</span> <span class="fu">ggplot</span>(mtcars) <span class="sc">+</span></span>
<span id="cb24-2"><a href="#cb24-2" tabindex="-1"></a> <span class="fu">aes</span>(<span class="at">x =</span> cyl, <span class="at">y =</span> mpg) <span class="sc">+</span></span>
<span id="cb24-3"><a href="#cb24-3" tabindex="-1"></a> <span class="fu">geom_point</span>() <span class="sc">+</span></span>
<span id="cb24-4"><a href="#cb24-4" tabindex="-1"></a> <span class="fu">theme_classic</span>()</span>
<span id="cb24-5"><a href="#cb24-5" tabindex="-1"></a>p</span></code></pre></div>
<p><img src="graphs/etendre-ggplot2/unnamed-chunk-17-1.png" width="1050" /></p>
<div class="sourceCode" id="cb25"><pre class="sourceCode r"><code class="sourceCode r"><span id="cb25-1"><a href="#cb25-1" tabindex="-1"></a><span class="fu">library</span>(ggh4x)</span>
<span id="cb25-2"><a href="#cb25-2" tabindex="-1"></a>p <span class="sc">+</span></span>
<span id="cb25-3"><a href="#cb25-3" tabindex="-1"></a> <span class="fu">scale_x_continuous</span>(</span>
<span id="cb25-4"><a href="#cb25-4" tabindex="-1"></a> <span class="at">minor_breaks =</span> <span class="dv">16</span><span class="sc">:</span><span class="dv">32</span> <span class="sc">/</span> <span class="dv">4</span>,</span>
<span id="cb25-5"><a href="#cb25-5" tabindex="-1"></a> <span class="at">guide =</span> <span class="fu">guide_axis_minor</span>()</span>
<span id="cb25-6"><a href="#cb25-6" tabindex="-1"></a> ) <span class="sc">+</span></span>
<span id="cb25-7"><a href="#cb25-7" tabindex="-1"></a> <span class="co"># to control relative length of minor ticks</span></span>
<span id="cb25-8"><a href="#cb25-8" tabindex="-1"></a> <span class="fu">theme</span>(<span class="at">ggh4x.axis.ticks.length.minor =</span> <span class="fu">rel</span>(.<span class="dv">8</span>))</span></code></pre></div>
<p><img src="graphs/etendre-ggplot2/unnamed-chunk-17-2.png" width="1050" /></p>
</div>
<div id="relations-imbriquées" class="section level3 hasAnchor">
<h3 class="hasAnchor">Relations imbriquées<a href="#relations-imbriquées" class="anchor-section" aria-label="Anchor link to header"></a></h3>
<p>La fonction <code data-pkg="ggh4x">guide_axis_nested</code> de l’extension <code class="pkg">ggh4x</code> permet d’afficher sur un axe des relations imbriquées.</p>
<div class="sourceCode" id="cb26"><pre class="sourceCode r"><code class="sourceCode r"><span id="cb26-1"><a href="#cb26-1" tabindex="-1"></a><span class="fu">library</span>(ggh4x)</span>
<span id="cb26-2"><a href="#cb26-2" tabindex="-1"></a>df <span class="ot"><-</span> <span class="fu">data.frame</span>(</span>
<span id="cb26-3"><a href="#cb26-3" tabindex="-1"></a> <span class="at">item =</span> <span class="fu">c</span>(<span class="st">"Coffee"</span>, <span class="st">"Tea"</span>, <span class="st">"Apple"</span>, <span class="st">"Pear"</span>, <span class="st">"Car"</span>),</span>
<span id="cb26-4"><a href="#cb26-4" tabindex="-1"></a> <span class="at">type =</span> <span class="fu">c</span>(<span class="st">"Drink"</span>, <span class="st">"Drink"</span>, <span class="st">"Fruit"</span>, <span class="st">"Fruit"</span>, <span class="st">""</span>),</span>
<span id="cb26-5"><a href="#cb26-5" tabindex="-1"></a> <span class="at">amount =</span> <span class="fu">c</span>(<span class="dv">5</span>, <span class="dv">1</span>, <span class="dv">2</span>, <span class="dv">3</span>, <span class="dv">1</span>),</span>
<span id="cb26-6"><a href="#cb26-6" tabindex="-1"></a> <span class="at">stringsAsFactors =</span> <span class="cn">FALSE</span></span>
<span id="cb26-7"><a href="#cb26-7" tabindex="-1"></a>)</span>
<span id="cb26-8"><a href="#cb26-8" tabindex="-1"></a></span>
<span id="cb26-9"><a href="#cb26-9" tabindex="-1"></a><span class="fu">ggplot</span>(df) <span class="sc">+</span></span>
<span id="cb26-10"><a href="#cb26-10" tabindex="-1"></a> <span class="fu">aes</span>(<span class="at">x =</span> <span class="fu">interaction</span>(item, type), <span class="at">y =</span> amount) <span class="sc">+</span></span>
<span id="cb26-11"><a href="#cb26-11" tabindex="-1"></a> <span class="fu">geom_col</span>() <span class="sc">+</span></span>
<span id="cb26-12"><a href="#cb26-12" tabindex="-1"></a> <span class="fu">guides</span>(<span class="at">x =</span> <span class="fu">guide_axis_nested</span>())</span></code></pre></div>
<p><img src="graphs/etendre-ggplot2/unnamed-chunk-18-1.png" width="1050" /></p>
</div>
<div id="combinaison-de-variables-sur-laxe-des-x" class="section level3 hasAnchor">
<h3 class="hasAnchor">Combinaison de variables sur l’axe des X<a href="#combinaison-de-variables-sur-laxe-des-x" class="anchor-section" aria-label="Anchor link to header"></a></h3>
<p>L’extension <code class="upset">ggupset</code> fournie une fonction <code data-pkg="ggupset">scale_x_upset</code> permettant de représenter des combinaisons de variables sur l’axe des x, combinaisons de variables stockées sous forme d’une colonne de type liste. Pour plus d’informations, voir <a href="https://github.com/const-ae/ggupset" class="uri">https://github.com/const-ae/ggupset</a>.</p>
<div class="sourceCode" id="cb27"><pre class="sourceCode r"><code class="sourceCode r"><span id="cb27-1"><a href="#cb27-1" tabindex="-1"></a><span class="fu">library</span>(ggupset)</span>
<span id="cb27-2"><a href="#cb27-2" tabindex="-1"></a><span class="fu">library</span>(tidyverse, <span class="at">quietly =</span> <span class="cn">TRUE</span>)</span>
<span id="cb27-3"><a href="#cb27-3" tabindex="-1"></a>tidy_movies <span class="sc">%>%</span></span>
<span id="cb27-4"><a href="#cb27-4" tabindex="-1"></a> <span class="fu">distinct</span>(title, year, length, <span class="at">.keep_all =</span> <span class="cn">TRUE</span>) <span class="sc">%>%</span></span>
<span id="cb27-5"><a href="#cb27-5" tabindex="-1"></a> <span class="fu">ggplot</span>(<span class="fu">aes</span>(<span class="at">x =</span> Genres)) <span class="sc">+</span></span>
<span id="cb27-6"><a href="#cb27-6" tabindex="-1"></a> <span class="fu">geom_bar</span>() <span class="sc">+</span></span>
<span id="cb27-7"><a href="#cb27-7" tabindex="-1"></a> <span class="fu">scale_x_upset</span>(<span class="at">n_intersections =</span> <span class="dv">20</span>)</span></code></pre></div>
<pre><code>Warning: Removed 100 rows containing non-finite values
(`stat_count()`).</code></pre>
<p><img src="graphs/etendre-ggplot2/unnamed-chunk-19-1.png" width="1050" /> ### Zoom sur un axe</p>
<p>L’extension <code class="pkg">ggforce</code> propose une fonction <code data-pkg="ggforce">facet_zoom</code> permettant de zoomer une partie d’un axe.</p>
<div class="sourceCode" id="cb29"><pre class="sourceCode r"><code class="sourceCode r"><span id="cb29-1"><a href="#cb29-1" tabindex="-1"></a><span class="fu">library</span>(ggforce)</span>
<span id="cb29-2"><a href="#cb29-2" tabindex="-1"></a><span class="fu">ggplot</span>(iris, <span class="fu">aes</span>(Petal.Length, Petal.Width, <span class="at">colour =</span> Species)) <span class="sc">+</span></span>
<span id="cb29-3"><a href="#cb29-3" tabindex="-1"></a> <span class="fu">geom_point</span>() <span class="sc">+</span></span>
<span id="cb29-4"><a href="#cb29-4" tabindex="-1"></a> <span class="fu">facet_zoom</span>(<span class="at">x =</span> Species <span class="sc">==</span> <span class="st">"versicolor"</span>)</span></code></pre></div>
<p><img src="graphs/etendre-ggplot2/unnamed-chunk-20-1.png" width="1050" /></p>
</div>
<div id="des-facettes-paginées-diviser-en-plusieurs-sous-graphiques" class="section level3 hasAnchor">
<h3 class="hasAnchor">Des facettes paginées (diviser en plusieurs sous-graphiques)<a href="#des-facettes-paginées-diviser-en-plusieurs-sous-graphiques" class="anchor-section" aria-label="Anchor link to header"></a></h3>
<p>Les fonctions <code data-pkg="ggforce">facet_wrap_paginate</code> et <code data-pkg="ggforce">facet_grid_paginate</code> de <code class="pkg">ggforce</code> permet de découper facilement un graphique en facettes en plusieurs pages.</p>
<div class="sourceCode" id="cb30"><pre class="sourceCode r"><code class="sourceCode r"><span id="cb30-1"><a href="#cb30-1" tabindex="-1"></a><span class="fu">ggplot</span>(diamonds) <span class="sc">+</span></span>
<span id="cb30-2"><a href="#cb30-2" tabindex="-1"></a> <span class="fu">geom_point</span>(<span class="fu">aes</span>(carat, price), <span class="at">alpha =</span> <span class="fl">0.1</span>) <span class="sc">+</span></span>
<span id="cb30-3"><a href="#cb30-3" tabindex="-1"></a> <span class="fu">facet_wrap_paginate</span>(<span class="sc">~</span> cut<span class="sc">:</span>clarity, <span class="at">ncol =</span> <span class="dv">3</span>, <span class="at">nrow =</span> <span class="dv">3</span>, <span class="at">page =</span> <span class="dv">1</span>)</span></code></pre></div>
<p><img src="graphs/etendre-ggplot2/unnamed-chunk-21-1.png" width="1050" /></p>
<div class="sourceCode" id="cb31"><pre class="sourceCode r"><code class="sourceCode r"><span id="cb31-1"><a href="#cb31-1" tabindex="-1"></a><span class="fu">ggplot</span>(diamonds) <span class="sc">+</span></span>
<span id="cb31-2"><a href="#cb31-2" tabindex="-1"></a> <span class="fu">geom_point</span>(<span class="fu">aes</span>(carat, price), <span class="at">alpha =</span> <span class="fl">0.1</span>) <span class="sc">+</span></span>
<span id="cb31-3"><a href="#cb31-3" tabindex="-1"></a> <span class="fu">facet_wrap_paginate</span>(<span class="sc">~</span> cut<span class="sc">:</span>clarity, <span class="at">ncol =</span> <span class="dv">3</span>, <span class="at">nrow =</span> <span class="dv">3</span>, <span class="at">page =</span> <span class="dv">2</span>)</span></code></pre></div>
<p><img src="graphs/etendre-ggplot2/unnamed-chunk-21-2.png" width="1050" /></p>
<div class="sourceCode" id="cb32"><pre class="sourceCode r"><code class="sourceCode r"><span id="cb32-1"><a href="#cb32-1" tabindex="-1"></a><span class="fu">ggplot</span>(diamonds) <span class="sc">+</span></span>
<span id="cb32-2"><a href="#cb32-2" tabindex="-1"></a> <span class="fu">geom_point</span>(<span class="fu">aes</span>(carat, price), <span class="at">alpha =</span> <span class="fl">0.1</span>) <span class="sc">+</span></span>
<span id="cb32-3"><a href="#cb32-3" tabindex="-1"></a> <span class="fu">facet_wrap_paginate</span>(<span class="sc">~</span> cut<span class="sc">:</span>clarity, <span class="at">ncol =</span> <span class="dv">3</span>, <span class="at">nrow =</span> <span class="dv">3</span>, <span class="at">page =</span> <span class="dv">3</span>)</span></code></pre></div>
<p><img src="graphs/etendre-ggplot2/unnamed-chunk-21-3.png" width="1050" /></p>
</div>
</div>
<div id="cartes" class="section level2 hasAnchor">
<h2 class="hasAnchor">Cartes<a href="#cartes" class="anchor-section" aria-label="Anchor link to header"></a></h2>
<p>Voir le <a href="cartes.html">chapitre dédié</a>.</p>
</div>
<div id="graphiques-complexes" class="section level2 hasAnchor">
<h2 class="hasAnchor">Graphiques complexes<a href="#graphiques-complexes" class="anchor-section" aria-label="Anchor link to header"></a></h2>
<div id="graphiques-divergents" class="section level3 hasAnchor">
<h3 class="hasAnchor">Graphiques divergents<a href="#graphiques-divergents" class="anchor-section" aria-label="Anchor link to header"></a></h3>
<p>L’extension <code>ggcharts</code> fournit plusieurs fonctions de haut niveau pour faciliter la réalisation de graphiques divergents en barres (<code data-pkg="ggcharts">diverging_bar_chart</code>), en sucettes (<code data-pkg="ggcharts">diverging_lollipop_chart</code>) voire même une pyramide des âges (<code data-pkg="ggcharts">pyramid_chart</code>).</p>
<div class="sourceCode" id="cb33"><pre class="sourceCode r"><code class="sourceCode r"><span id="cb33-1"><a href="#cb33-1" tabindex="-1"></a><span class="fu">library</span>(ggcharts)</span>
<span id="cb33-2"><a href="#cb33-2" tabindex="-1"></a><span class="fu">data</span>(mtcars)</span>
<span id="cb33-3"><a href="#cb33-3" tabindex="-1"></a>mtcars_z <span class="ot"><-</span> dplyr<span class="sc">::</span><span class="fu">transmute</span>(</span>
<span id="cb33-4"><a href="#cb33-4" tabindex="-1"></a> <span class="at">.data =</span> mtcars,</span>
<span id="cb33-5"><a href="#cb33-5" tabindex="-1"></a> <span class="at">model =</span> <span class="fu">row.names</span>(mtcars),</span>
<span id="cb33-6"><a href="#cb33-6" tabindex="-1"></a> <span class="at">hpz =</span> <span class="fu">scale</span>(hp)</span>
<span id="cb33-7"><a href="#cb33-7" tabindex="-1"></a>)</span>
<span id="cb33-8"><a href="#cb33-8" tabindex="-1"></a></span>
<span id="cb33-9"><a href="#cb33-9" tabindex="-1"></a><span class="fu">diverging_bar_chart</span>(<span class="at">data =</span> mtcars_z, <span class="at">x =</span> model, <span class="at">y =</span> hpz)</span></code></pre></div>
<pre><code>Warning: Using one column matrices in `filter()` was deprecated in
dplyr 1.1.0.
ℹ Please use one dimensional logical vectors instead.
ℹ The deprecated feature was likely used in the dplyr
package.
Please report the issue at
<]8;;https://github.com/tidyverse/dplyr/issueshttps://github.com/tidyverse/dplyr/issues]8;;>.</code></pre>
<p><img src="graphs/etendre-ggplot2/unnamed-chunk-22-1.png" width="1050" /></p>
<div class="sourceCode" id="cb35"><pre class="sourceCode r"><code class="sourceCode r"><span id="cb35-1"><a href="#cb35-1" tabindex="-1"></a><span class="fu">diverging_lollipop_chart</span>(</span>
<span id="cb35-2"><a href="#cb35-2" tabindex="-1"></a> <span class="at">data =</span> mtcars_z,</span>
<span id="cb35-3"><a href="#cb35-3" tabindex="-1"></a> <span class="at">x =</span> model,</span>
<span id="cb35-4"><a href="#cb35-4" tabindex="-1"></a> <span class="at">y =</span> hpz,</span>
<span id="cb35-5"><a href="#cb35-5" tabindex="-1"></a> <span class="at">lollipop_colors =</span> <span class="fu">c</span>(<span class="st">"#006400"</span>, <span class="st">"#b32134"</span>),</span>
<span id="cb35-6"><a href="#cb35-6" tabindex="-1"></a> <span class="at">text_color =</span> <span class="fu">c</span>(<span class="st">"#006400"</span>, <span class="st">"#b32134"</span>)</span>
<span id="cb35-7"><a href="#cb35-7" tabindex="-1"></a>)</span></code></pre></div>
<p><img src="graphs/etendre-ggplot2/unnamed-chunk-23-1.png" width="1050" /></p>
</div>
<div id="pyramides-des-âges" class="section level3 hasAnchor">
<h3 class="hasAnchor">Pyramides des âges<a href="#pyramides-des-âges" class="anchor-section" aria-label="Anchor link to header"></a></h3>
<p>Plussieurs solutions sont disponible pour réaliser une <dfn>pyramide des âges</dfn>.</p>
<p>Tout d’abord, <code class="pkg">ggcharts</code> propose une fonction <code class="ggcharts">pyramid_chart</code>.</p>
<div class="sourceCode" id="cb36"><pre class="sourceCode r"><code class="sourceCode r"><span id="cb36-1"><a href="#cb36-1" tabindex="-1"></a><span class="fu">library</span>(ggcharts)</span>
<span id="cb36-2"><a href="#cb36-2" tabindex="-1"></a><span class="fu">data</span>(<span class="st">"popch"</span>)</span>
<span id="cb36-3"><a href="#cb36-3" tabindex="-1"></a><span class="fu">pyramid_chart</span>(<span class="at">data =</span> popch, <span class="at">x =</span> age, <span class="at">y =</span> pop, <span class="at">group =</span> sex)</span></code></pre></div>