Dist_Binom_191011.ipynb

{
 "cells": [
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "#スクリプト部分の表示制御\n",
    "#https://qiita.com/simonritchie/items/d7dccb798f0b9c8b1ec5\n",
    "#の記事を用いて作成しました．大変有り難うございます．\n",
    "\n",
    "from IPython.display import HTML\n",
    "\n",
    "HTML(\"\"\"\n",
    "<button id=\"code-show-switch-btn\">スクリプトを表示する</button>\n",
    "\n",
    "<script>\n",
    "var code_show = true;\n",
    "$(\"div.input\").hide();\n",
    "\n",
    "function switch_display_setting() {\n",
    "    var switch_btn = $(\"#code-show-switch-btn\");\n",
    "    if (code_show) {\n",
    "        $(\"div.input\").hide();\n",
    "        code_show = false;\n",
    "        switch_btn.text(\"スクリプトを表示する\");\n",
    "    }else{\n",
    "        $(\"div.input\").show();\n",
    "        code_show = true;\n",
    "        switch_btn.text(\"スクリプトを非表示にする\");\n",
    "    }\n",
    "}\n",
    "\n",
    "$(\"#code-show-switch-btn\").click(switch_display_setting);\n",
    "</script>\n",
    "\"\"\")"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "##  二項分布表示プログラム\n",
    "\n",
    "二項分布の確率分布をインタラクティブに表示するプログラムです．\n",
    "\n",
    "実行すると，$n$に試行数，$p$に成功確率を入力するボックスがプログラム部分の直後に現れるので，それぞれ入力して下さい．入力すると即座に二項分布の確率分布がリスト形式で表示されます．"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 3,
   "metadata": {
    "scrolled": true
   },
   "outputs": [],
   "source": [
    "from sympy import *\n",
    "init_printing()\n",
    "\n",
    "from sympy.stats import *\n",
    "\n",
    "from ipywidgets import interact\n",
    "# インタラクティブ画面が出ない場合　：　「jupyter nbextension enable --py widgetsnbextension」をターミナル等で一度実行．\n",
    "# Try jupyter[https://jupyter.org/try]上では問題なく動作．\n",
    "\n",
    "from IPython.display import Math"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 4,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "application/vnd.jupyter.widget-view+json": {
       "model_id": "b06b7bba0b954b21a1ad56662d87e8e1",
       "version_major": 2,
       "version_minor": 0
      },
      "text/plain": [
       "interactive(children=(Text(value='4', description='n'), Text(value='1/2', description='p'), Output()), _dom_cl…"
      ]
     },
     "metadata": {},
     "output_type": "display_data"
    }
   ],
   "source": [
    "# 二項分布の確率分布をインタラクティブに表示します．\n",
    "\n",
    "@interact(n='4', p='1/2')\n",
    "def f(n,p):\n",
    "    X = Binomial('X', n, p)\n",
    "    display(Math(r'%s' % (latex(density(X).dict))))"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": []
  }
 ],
 "metadata": {
  "anaconda-cloud": {},
  "kernelspec": {
   "display_name": "Python 3",
   "language": "python",
   "name": "python3"
  },
  "language_info": {
   "codemirror_mode": {
    "name": "ipython",
    "version": 3
   },
   "file_extension": ".py",
   "mimetype": "text/x-python",
   "name": "python",
   "nbconvert_exporter": "python",
   "pygments_lexer": "ipython3",
   "version": "3.7.4"
  },
  "latex_envs": {
   "bibliofile": "biblio.bib",
   "cite_by": "apalike",
   "current_citInitial": 1,
   "eqLabelWithNumbers": true,
   "eqNumInitial": 0
  }
 },
 "nbformat": 4,
 "nbformat_minor": 2
}