packages.bib

@Manual{R-bookdown,
  title = {bookdown: Authoring Books and Technical Documents with R Markdown},
  author = {Yihui Xie},
  year = {2023},
  note = {R package version 0.36, 
https://pkgs.rstudio.com/bookdown/},
  url = {https://github.com/rstudio/bookdown},
}

@Manual{R-cartogram,
  title = {cartogram: Create Cartograms with R},
  author = {Sebastian Jeworutzki},
  year = {2023},
  note = {R package version 0.3.0},
  url = {https://github.com/sjewo/cartogram},
}

@Manual{R-crsuggest,
  title = {crsuggest: Obtain Suggested Coordinate Reference System Information for Spatial Data},
  author = {Kyle Walker},
  year = {2022},
  note = {R package version 0.4},
  url = {https://CRAN.R-project.org/package=crsuggest},
}

@Manual{R-dismo,
  title = {dismo: Species Distribution Modeling},
  author = {Robert J. Hijmans and Steven Phillips and John Leathwick and Jane Elith},
  year = {2023},
  note = {R package version 1.3-14},
  url = {https://rspatial.org/raster/sdm/},
}

@Manual{R-dplyr,
  title = {dplyr: A Grammar of Data Manipulation},
  author = {Hadley Wickham and Romain François and Lionel Henry and Kirill Müller and Davis Vaughan},
  year = {2023},
  note = {R package version 1.1.3},
  url = {https://dplyr.tidyverse.org},
}

@Manual{R-geodata,
  title = {geodata: Download Geographic Data},
  author = {Robert J. Hijmans},
  year = {2023},
  note = {R package version 0.5-9},
  url = {https://CRAN.R-project.org/package=geodata},
}

@Manual{R-geosphere,
  title = {geosphere: Spherical Trigonometry},
  author = {Robert J. Hijmans},
  year = {2022},
  note = {R package version 1.5-18},
  url = {https://CRAN.R-project.org/package=geosphere},
}
@Manual{R-ggmap,
  title = {ggmap: Spatial Visualization with ggplot2},
  author = {David Kahle and Hadley Wickham and Scott Jackson},
  year = {2023},
  note = {R package version 3.0.2},
  url = {https://github.com/dkahle/ggmap},
}

@Manual{R-ggplot2,
  title = {ggplot2: Create Elegant Data Visualisations Using the Grammar of Graphics},
  author = {Hadley Wickham and Winston Chang and Lionel Henry and Thomas Lin Pedersen and Kohske Takahashi and Claus Wilke and Kara Woo and Hiroaki Yutani and Dewey Dunnington},
  year = {2023},
  note = {R package version 3.4.4, 
https://github.com/tidyverse/ggplot2},
  url = {https://ggplot2.tidyverse.org},
}

@Manual{R-gstat,
  title = {gstat: Spatial and Spatio-Temporal Geostatistical Modelling, Prediction
and Simulation},
  author = {Edzer Pebesma and Benedikt Graeler},
  year = {2023},
  note = {R package version 2.1-1},
  url = {https://github.com/r-spatial/gstat/},
}

@Manual{R-historydata,
  title = {historydata: Data Sets for Historians},
  author = {Lincoln Mullen},
  year = {2014},
  note = {R package version 0.1},
  url = {https://github.com/ropensci/historydata},
}

@Manual{R-htmlwidgets,
  title = {htmlwidgets: HTML Widgets for R},
  author = {Ramnath Vaidyanathan and Yihui Xie and JJ Allaire and Joe Cheng and Carson Sievert and Kenton Russell},
  year = {2023},
  note = {R package version 1.6.2},
  url = {https://github.com/ramnathv/htmlwidgets},
}

@Manual{R-kableExtra,
  title = {kableExtra: Construct Complex Table with kable and Pipe Syntax},
  author = {Hao Zhu},
  year = {2021},
  note = {R package version 1.3.4, 
https://github.com/haozhu233/kableExtra},
  url = {http://haozhu233.github.io/kableExtra/},
}

@Manual{R-knitr,
  title = {knitr: A General-Purpose Package for Dynamic Report Generation in R},
  author = {Yihui Xie},
  year = {2023},
  note = {R package version 1.45},
  url = {https://yihui.org/knitr/},
}

@Manual{R-latticeExtra,
  title = {latticeExtra: Extra Graphical Utilities Based on Lattice},
  author = {Deepayan Sarkar and Felix Andrews},
  year = {2022},
  note = {R package version 0.6-30},
  url = {http://latticeextra.r-forge.r-project.org/},
}

@Manual{R-leaflet,
  title = {leaflet: Create Interactive Web Maps with the JavaScript Leaflet
Library},
  author = {Joe Cheng and Barret Schloerke and Bhaskar Karambelkar and Yihui Xie},
  year = {2023},
  note = {R package version 2.2.0.9000, 
https://github.com/rstudio/leaflet},
  url = {https://rstudio.github.io/leaflet/},
}

@Manual{R-link2GI,
  title = {link2GI: Linking Geographic Information Systems, Remote Sensing and Other
Command Line Tools},
  author = {Chris Reudenbach},
  year = {2023},
  note = {R package version 0.5-3, 
https://r-spatial.github.io/link2GI/},
  url = {https://github.com/r-spatial/link2GI/},
}

@Manual{R-lwgeom,
  title = {lwgeom: Bindings to Selected liblwgeom Functions for Simple Features},
  author = {Edzer Pebesma},
  year = {2023},
  note = {R package version 0.2-13},
  url = {https://github.com/r-spatial/lwgeom/},
}

@Manual{R-mapview,
  title = {mapview: Interactive Viewing of Spatial Data in R},
  author = {Tim Appelhans and Florian Detsch and Christoph Reudenbach and Stefan Woellauer},
  year = {2023},
  note = {R package version 2.11.2},
  url = {https://github.com/r-spatial/mapview},
}

@Manual{R-microbenchmark,
  title = {microbenchmark: Accurate Timing Functions},
  author = {Olaf Mersmann},
  year = {2023},
  note = {R package version 1.4.10},
  url = {https://github.com/joshuaulrich/microbenchmark/},
}

@Manual{R-mlr,
  title = {mlr: Machine Learning in R},
  author = {Bernd Bischl and Michel Lang and Lars Kotthoff and Patrick Schratz and Julia Schiffner and Jakob Richter and Zachary Jones and Giuseppe Casalicchio and Mason Gallo},
  year = {2022},
  note = {R package version 2.19.1},
  url = {https://mlr.mlr-org.com},
}

@Manual{R-osmdata,
  title = {osmdata: Import OpenStreetMap Data as Simple Features or Spatial
Objects},
  author = {Mark Padgham and Bob Rudis and Robin Lovelace and Maëlle Salmon and Joan Maspons},
  year = {2023},
  note = {R package version 0.2.5},
  url = {https://docs.ropensci.org/osmdata/},
}

@Manual{R-pROC,
  title = {pROC: Display and Analyze ROC Curves},
  author = {Xavier Robin and Natacha Turck and Alexandre Hainard and Natalia Tiberti and Frédérique Lisacek and Jean-Charles Sanchez and Markus Müller},
  year = {2023},
  note = {R package version 1.18.4},
  url = {http://expasy.org/tools/pROC/},
}

@Manual{R-ranger,
  title = {ranger: A Fast Implementation of Random Forests},
  author = {Marvin N. Wright and Stefan Wager and Philipp Probst},
  year = {2023},
  note = {R package version 0.15.1},
  url = {https://github.com/imbs-hl/ranger},
}

@Manual{R-raster,
  title = {raster: Geographic Data Analysis and Modeling},
  author = {Robert J. Hijmans},
  year = {2023},
  note = {R package version 3.6-26},
  url = {https://rspatial.org/raster},
}

@Manual{R-rcartocolor,
  title = {rcartocolor: CARTOColors Palettes},
  author = {Jakub Nowosad},
  year = {2023},
  note = {R package version 2.1.1},
  url = {https://github.com/Nowosad/rcartocolor},
}

@Manual{R-rgdal,
  title = {rgdal: Bindings for the Geospatial Data Abstraction Library},
  author = {Roger Bivand and Tim Keitt and Barry Rowlingson},
  year = {2023},
  note = {R package version 1.6-7},
  url = {http://rgdal.r-forge.r-project.org},
}

@Manual{R-rgeos,
  title = {rgeos: Interface to Geometry Engine - Open Source (GEOS)},
  author = {Roger Bivand and Colin Rundel},
  year = {2023},
  note = {R package version 0.6-4},
  url = {https://r-forge.r-project.org/projects/rgeos/},
}
@Manual{R-rgrass7,
  title = {rgrass7: Interface Between GRASS 7 Geographical Information System and R},
  author = {Roger Bivand},
  year = {2017},
  note = {R package version 0.1-10},
  url = {https://CRAN.R-project.org/package=rgrass7},
}
@Manual{R-rgrass,
  title = {rgrass: Interface Between GRASS Geographical Information System and
R},
  author = {Roger Bivand},
  year = {2023},
  note = {R package version 0.3-9},
  url = {https://rsbivand.github.io/rgrass/},
}

@Manual{R-rmapshaper,
  title = {rmapshaper: Client for mapshaper for Geospatial Operations},
  author = {Andy Teucher and Kenton Russell},
  year = {2023},
  note = {R package version 0.5.0},
  url = {https://github.com/ateucher/rmapshaper},
}

@Manual{R-rmarkdown,
  title = {rmarkdown: Dynamic Documents for R},
  author = {JJ Allaire and Yihui Xie and Christophe Dervieux and Jonathan McPherson and Javier Luraschi and Kevin Ushey and Aron Atkins and Hadley Wickham and Joe Cheng and Winston Chang and Richard Iannone},
  year = {2023},
  note = {R package version 2.25, 
https://pkgs.rstudio.com/rmarkdown/},
  url = {https://github.com/rstudio/rmarkdown},
}

@Manual{R-rnaturalearth,
  title = {rnaturalearth: World Map Data from Natural Earth},
  author = {Philippe Massicotte and Andy South},
  year = {2023},
  note = {R package version 0.3.4, 
https://github.com/ropensci/rnaturalearth},
  url = {https://docs.ropensci.org/rnaturalearth/},
}

@Manual{R-rnaturalearthdata,
  title = {rnaturalearthdata: World Vector Map Data from Natural Earth Used in rnaturalearth},
  author = {Andy South},
  year = {2017},
  note = {R package version 0.1.0},
  url = {https://github.com/ropenscilabs/rnaturalearthdata},
}

@Manual{R-RPostgreSQL,
  title = {RPostgreSQL: R Interface to the PostgreSQL Database System},
  author = {Joe Conway and Dirk Eddelbuettel and Tomoaki Nishiyama and Sameer Kumar Prayaga and Neil Tiffin},
  year = {2023},
  note = {R package version 0.7-5, 
https://cran.r-project.org/package=DBI},
  url = {https://github.com/tomoakin/RPostgreSQL},
}
@Manual{R-RQGIS,
  title = {RQGIS: Integrating R with QGIS},
  author = {Jannes Muenchow and Patrick Schratz},
  year = {2018},
  note = {R package version 1.0.3},
  url = {https://CRAN.R-project.org/package=RQGIS},
}
@Manual{R-RSAGA,
  title = {RSAGA: SAGA Geoprocessing and Terrain Analysis},
  author = {Alexander Brenning and Donovan Bangs and Marc Becker},
  year = {2022},
  note = {R package version 1.4.0},
  url = {https://github.com/r-spatial/RSAGA},
}

@Manual{R-sf,
  title = {sf: Simple Features for R},
  author = {Edzer Pebesma},
  year = {2023},
  note = {R package version 1.0-14},
  url = {https://r-spatial.github.io/sf/},
}

@Manual{R-sfnetworks,
  title = {sfnetworks: Tidy Geospatial Networks},
  author = {Lucas {van der Meer} and Lorena Abad and Andrea Gilardi and Robin Lovelace},
  year = {2023},
  note = {R package version 0.6.3},
  url = {https://CRAN.R-project.org/package=sfnetworks},
}

@Manual{R-sp,
  title = {sp: Classes and Methods for Spatial Data},
  author = {Edzer Pebesma and Roger Bivand},
  year = {2023},
  note = {R package version 2.1-1},
  url = {https://github.com/edzer/sp/},
}

@Manual{R-spData,
  title = {spData: Datasets for Spatial Analysis},
  author = {Roger Bivand and Jakub Nowosad and Robin Lovelace},
  year = {2023},
  note = {R package version 2.3.0},
  url = {https://jakubnowosad.com/spData/},
}

@Manual{R-spDataLarge,
  title = {spDataLarge: Large datasets for spatial analysis},
  author = {Jakub Nowosad and Robin Lovelace},
  year = {2023},
  note = {R package version 2.0.9},
  url = {https://github.com/Nowosad/spData},
}

@Manual{R-stplanr,
  title = {stplanr: Sustainable Transport Planning},
  author = {Robin Lovelace and Richard Ellison and Malcolm Morgan},
  year = {2023},
  note = {R package version 1.1.2, 
https://docs.ropensci.org/stplanr/},
  url = {https://github.com/ropensci/stplanr},
}

@Manual{R-tabularaster,
  title = {tabularaster: Tidy Tools for Raster Data},
  author = {Michael D. Sumner},
  year = {2023},
  note = {R package version 0.7.2},
  url = {https://github.com/hypertidy/tabularaster},
}

@Manual{R-terra,
  title = {terra: Spatial Data Analysis},
  author = {Robert J. Hijmans},
  year = {2023},
  note = {R package version 1.7-55},
  url = {https://rspatial.org/},
}

@Manual{R-tidyverse,
  title = {tidyverse: Easily Install and Load the Tidyverse},
  author = {Hadley Wickham},
  year = {2023},
  note = {R package version 2.0.0, 
https://github.com/tidyverse/tidyverse},
  url = {https://tidyverse.tidyverse.org},
}

@Manual{R-tmap,
  title = {tmap: Thematic Maps},
  author = {Martijn Tennekes},
  year = {2023},
  note = {R package version 3.99.9000},
  url = {https://github.com/r-tmap/tmap},
}

@Manual{R-tmaptools,
  title = {tmaptools: Thematic Map Tools},
  author = {Martijn Tennekes},
  year = {2021},
  note = {R package version 3.1-1},
  url = {https://github.com/mtennekes/tmaptools},
}
@Manual{R-tree,
  title = {tree: Classification and Regression Trees},
  author = {Brian Ripley},
  year = {2023},
  note = {R package version 1.0-43},
  url = {https://CRAN.R-project.org/package=tree},
}

@Manual{R-vegan,
  title = {vegan: Community Ecology Package},
  author = {Jari Oksanen and Gavin L. Simpson and F. Guillaume Blanchet and Roeland Kindt and Pierre Legendre and Peter R. Minchin and R.B. O'Hara and Peter Solymos and M. Henry H. Stevens and Eduard Szoecs and Helene Wagner and Matt Barbour and Michael Bedward and Ben Bolker and Daniel Borcard and Gustavo Carvalho and Michael Chirico and Miquel {De Caceres} and Sebastien Durand and Heloisa Beatriz Antoniazi Evangelista and Rich FitzJohn and Michael Friendly and Brendan Furneaux and Geoffrey Hannigan and Mark O. Hill and Leo Lahti and Dan McGlinn and Marie-Helene Ouellette and Eduardo {Ribeiro Cunha} and Tyler Smith and Adrian Stier and Cajo J.F. {Ter Braak} and James Weedon},
  year = {2022},
  note = {R package version 2.6-4},
  url = {https://github.com/vegandevs/vegan},
}

@Book{bookdown2016,
  title = {bookdown: Authoring Books and Technical Documents with {R} Markdown},
  author = {Yihui Xie},
  publisher = {Chapman and Hall/CRC},
  address = {Boca Raton, Florida},
  year = {2016},
  isbn = {978-1138700109},
  url = {https://bookdown.org/yihui/bookdown},
}

@Article{ggmap2013,
  author = {David Kahle and Hadley Wickham},
  title = {ggmap: Spatial Visualization with ggplot2},
  journal = {The R Journal},
  year = {2013},
  volume = {5},
  number = {1},
  pages = {144--161},
  url = {https://journal.r-project.org/archive/2013-1/kahle-wickham.pdf},
}

@Book{ggplot22016,
  author = {Hadley Wickham},
  title = {ggplot2: Elegant Graphics for Data Analysis},
  publisher = {Springer-Verlag New York},
  year = {2016},
  isbn = {978-3-319-24277-4},
  url = {https://ggplot2.tidyverse.org},
}

@Article{gstat2004,
  title = {Multivariable geostatistics in {S}: the gstat package},
  author = {Edzer J. Pebesma},
  journal = {Computers & Geosciences},
  year = {2004},
  volume = {30},
  pages = {683-691},
}

@Article{gstat2016,
  title = {Spatio-Temporal Interpolation using gstat},
  author = {Benedikt Gräler and Edzer Pebesma and Gerard Heuvelink},
  year = {2016},
  journal = {The R Journal},
  volume = {8},
  issue = {1},
  pages = {204-218},
  url = {https://journal.r-project.org/archive/2016/RJ-2016-014/index.html},
}

@Article{kernlab2004,
  title = {kernlab -- An {S4} Package for Kernel Methods in {R}},
  author = {Alexandros Karatzoglou and Alex Smola and Kurt Hornik and Achim Zeileis},
  journal = {Journal of Statistical Software},
  year = {2004},
  volume = {11},
  number = {9},
  pages = {1--20},
  doi = {10.18637/jss.v011.i09},
}

@Book{knitr2015,
  title = {Dynamic Documents with {R} and knitr},
  author = {Yihui Xie},
  publisher = {Chapman and Hall/CRC},
  address = {Boca Raton, Florida},
  year = {2015},
  edition = {2nd},
  note = {ISBN 978-1498716963},
  url = {https://yihui.org/knitr/},
}

@InCollection{knitr2014,
  booktitle = {Implementing Reproducible Computational Research},
  editor = {Victoria Stodden and Friedrich Leisch and Roger D. Peng},
  title = {knitr: A Comprehensive Tool for Reproducible Research in {R}},
  author = {Yihui Xie},
  publisher = {Chapman and Hall/CRC},
  year = {2014},
  note = {ISBN 978-1466561595},
}

@Article{mlr,
  title = {{mlr}: Machine Learning in R},
  author = {Bernd Bischl and Michel Lang and Lars Kotthoff and Julia Schiffner and Jakob Richter and Erich Studerus and Giuseppe Casalicchio and Zachary M. Jones},
  journal = {Journal of Machine Learning Research},
  year = {2016},
  volume = {17},
  number = {170},
  pages = {1-5},
  url = {https://jmlr.org/papers/v17/15-066.html},
}

@Article{automatic,
  title = {Automatic model selection for high-dimensional survival analysis},
  author = {Michel Lang and Helena Kotthaus and Peter Marwedel and Claus Weihs and Joerg Rahnenfuehrer and Bernd Bischl},
  journal = {Journal of Statistical Computation and Simulation},
  year = {2014},
  volume = {85},
  number = {1},
  pages = {62-76},
  publisher = {Taylor & Francis},
}

@InCollection{bischl2016class,
  title = {On Class Imbalance Correction for Classification Algorithms in Credit Scoring},
  author = {Bernd Bischl and Tobias Kuehn and Gero Szepannek},
  booktitle = {Operations Research Proceedings 2014},
  pages = {37-43},
  year = {2016},
  publisher = {Springer},
}

@Article{mlrmbo,
  title = {mlrMBO: A Modular Framework for Model-Based Optimization of Expensive Black-Box Functions},
  author = {Bernd Bischl and Jakob Richter and Jakob Bossek and Daniel Horn and Janek Thomas and Michel Lang},
  journal = {arXiv preprint arXiv:1703.03373},
  year = {2017},
}

@Article{multilabel,
  title = {Multilabel Classification with R Package mlr},
  author = {Philipp Probst and Quay Au and Giuseppe Casalicchio and Clemens Stachl and Bernd Bischl},
  journal = {arXiv preprint arXiv:1703.08991},
  year = {2017},
}

@Article{openml,
  title = {OpenML: An R package to connect to the machine learning platform OpenML},
  author = {Giuseppe Casalicchio and Jakob Bossek and Michel Lang and Dominik Kirchhoff and Pascal Kerschke and Benjamin Hofner and Heidi Seibold and Joaquin Vanschoren and Bernd Bischl},
  journal = {Computational Statistics},
  pages = {1-15},
  year = {2017},
  publisher = {Springer},
}

@Article{osmdata2017,
  title = {osmdata},
  author = {{Mark Padgham} and {Bob Rudis} and {Robin Lovelace} and {Maëlle Salmon}},
  journal = {Journal of Open Source Software},
  year = {2017},
  volume = {2},
  number = {14},
  pages = {305},
  month = {jun},
  publisher = {The Open Journal},
  url = {https://joss.theoj.org/papers/10.21105/joss.00305},
  doi = {10.21105/joss.00305},
}

@Article{pROC2011,
  title = {pROC: an open-source package for R and S+ to analyze and compare ROC curves},
  author = {Xavier Robin and Natacha Turck and Alexandre Hainard and Natalia Tiberti and Frédérique Lisacek and Jean-Charles Sanchez and Markus Müller},
  year = {2011},
  journal = {BMC Bioinformatics},
  volume = {12},
  pages = {77},
}

@Article{ranger2017,
  title = {{ranger}: A Fast Implementation of Random Forests for High Dimensional Data in {C++} and {R}},
  author = {Marvin N. Wright and Andreas Ziegler},
  journal = {Journal of Statistical Software},
  year = {2017},
  volume = {77},
  number = {1},
  pages = {1--17},
  doi = {10.18637/jss.v077.i01},
}

@Book{rmarkdown2018,
  title = {R Markdown: The Definitive Guide},
  author = {Yihui Xie and J.J. Allaire and Garrett Grolemund},
  publisher = {Chapman and Hall/CRC},
  address = {Boca Raton, Florida},
  year = {2018},
  isbn = {9781138359338},
  url = {https://bookdown.org/yihui/rmarkdown},
}

@Book{rmarkdown2020,
  title = {R Markdown Cookbook},
  author = {Yihui Xie and Christophe Dervieux and Emily Riederer},
  publisher = {Chapman and Hall/CRC},
  address = {Boca Raton, Florida},
  year = {2020},
  isbn = {9780367563837},
  url = {https://bookdown.org/yihui/rmarkdown-cookbook},
}

@Book{sf2023,
  author = {Edzer Pebesma and Roger Bivand},
  title = {{Spatial Data Science: With applications in R}},
  year = {2023},
  publisher = {{Chapman and Hall/CRC}},
  url = {https://r-spatial.org/book/},
  doi = {10.1201/9780429459016},
}

@Article{sf2018,
  author = {Edzer Pebesma},
  title = {{Simple Features for R: Standardized Support for Spatial Vector Data}},
  year = {2018},
  journal = {{The R Journal}},
  doi = {10.32614/RJ-2018-009},
  url = {https://doi.org/10.32614/RJ-2018-009},
  pages = {439--446},
  volume = {10},
  number = {1},
}

@Article{sp2005,
  author = {Edzer J. Pebesma and Roger Bivand},
  title = {Classes and methods for spatial data in {R}},
  journal = {R News},
  year = {2005},
  volume = {5},
  number = {2},
  pages = {9--13},
  month = {November},
  url = {https://CRAN.R-project.org/doc/Rnews/},
}

@Book{sp2013,
  author = {Roger S. Bivand and Edzer Pebesma and Virgilio Gomez-Rubio},
  title = {Applied spatial data analysis with {R}, Second edition},
  year = {2013},
  publisher = {Springer, NY},
  url = {https://asdar-book.org/},
}

@Article{stplanr2018,
  author = {{Robin Lovelace} and {Richard Ellison}},
  title = {stplanr: A Package for Transport Planning},
  year = {2018},
  volume = {10},
  number = {2},
  journal = {{The R Journal}},
  pages = {10},
  doi = {10.32614/RJ-2018-053},
}

@Article{tidyverse2019,
  title = {Welcome to the {tidyverse}},
  author = {Hadley Wickham and Mara Averick and Jennifer Bryan and Winston Chang and Lucy D'Agostino McGowan and Romain François and Garrett Grolemund and Alex Hayes and Lionel Henry and Jim Hester and Max Kuhn and Thomas Lin Pedersen and Evan Miller and Stephan Milton Bache and Kirill Müller and Jeroen Ooms and David Robinson and Dana Paige Seidel and Vitalie Spinu and Kohske Takahashi and Davis Vaughan and Claus Wilke and Kara Woo and Hiroaki Yutani},
  year = {2019},
  journal = {Journal of Open Source Software},
  volume = {4},
  number = {43},
  pages = {1686},
  doi = {10.21105/joss.01686},
}

@Article{tmap2018,
  title = {{tmap}: Thematic Maps in {R}},
  author = {Martijn Tennekes},
  journal = {Journal of Statistical Software},
  year = {2018},
  volume = {84},
  number = {6},
  pages = {1--39},
  doi = {10.18637/jss.v084.i06},
}