{ "cells": [ { "cell_type": "markdown", "metadata": {}, "source": [ "# 散布図\n", "\n", "「合州国の州別暴力犯罪率」を例に説明します。" ] }, { "cell_type": "code", "execution_count": 1, "metadata": { "collapsed": true }, "outputs": [], "source": [ "# 「#」(シャープ)以降の文字はプログラムに影響しません。\n", "# 図やグラフを図示するためのライブラリをインポートする。\n", "import matplotlib.pyplot as plt\n", "%matplotlib inline" ] }, { "cell_type": "code", "execution_count": 2, "metadata": { "collapsed": true }, "outputs": [], "source": [ "# 数値計算やデータフレーム操作に関するライブラリをインポートする\n", "import numpy as np\n", "import pandas as pd\n", "from pandas.tools import plotting # 高度なプロットを行うツールのインポート" ] }, { "cell_type": "code", "execution_count": 3, "metadata": { "collapsed": true }, "outputs": [], "source": [ "# URL によるリソースへのアクセスを提供するライブラリをインポートする。\n", "# import urllib # Python 2 の場合\n", "import urllib.request # Python 3 の場合" ] }, { "cell_type": "code", "execution_count": 4, "metadata": { "collapsed": true }, "outputs": [], "source": [ "df2 = pd.read_csv('USArrests.txt', sep='\\t', index_col=0) # データの読み込み" ] }, { "cell_type": "code", "execution_count": 5, "metadata": { "collapsed": false }, "outputs": [ { "data": { "text/html": [ "
\n", " | Murder | \n", "Assault | \n", "UrbanPop | \n", "Rape | \n", "
---|---|---|---|---|
Alabama | \n", "13.2 | \n", "236 | \n", "58 | \n", "21.2 | \n", "
Alaska | \n", "10.0 | \n", "263 | \n", "48 | \n", "44.5 | \n", "
Arizona | \n", "8.1 | \n", "294 | \n", "80 | \n", "31.0 | \n", "
Arkansas | \n", "8.8 | \n", "190 | \n", "50 | \n", "19.5 | \n", "
California | \n", "9.0 | \n", "276 | \n", "91 | \n", "40.6 | \n", "
Colorado | \n", "7.9 | \n", "204 | \n", "78 | \n", "38.7 | \n", "
Connecticut | \n", "3.3 | \n", "110 | \n", "77 | \n", "11.1 | \n", "
Delaware | \n", "5.9 | \n", "238 | \n", "72 | \n", "15.8 | \n", "
Florida | \n", "15.4 | \n", "335 | \n", "80 | \n", "31.9 | \n", "
Georgia | \n", "17.4 | \n", "211 | \n", "60 | \n", "25.8 | \n", "
Hawaii | \n", "5.3 | \n", "46 | \n", "83 | \n", "20.2 | \n", "
Idaho | \n", "2.6 | \n", "120 | \n", "54 | \n", "14.2 | \n", "
Illinois | \n", "10.4 | \n", "249 | \n", "83 | \n", "24.0 | \n", "
Indiana | \n", "7.2 | \n", "113 | \n", "65 | \n", "21.0 | \n", "
Iowa | \n", "2.2 | \n", "56 | \n", "57 | \n", "11.3 | \n", "
Kansas | \n", "6.0 | \n", "115 | \n", "66 | \n", "18.0 | \n", "
Kentucky | \n", "9.7 | \n", "109 | \n", "52 | \n", "16.3 | \n", "
Louisiana | \n", "15.4 | \n", "249 | \n", "66 | \n", "22.2 | \n", "
Maine | \n", "2.1 | \n", "83 | \n", "51 | \n", "7.8 | \n", "
Maryland | \n", "11.3 | \n", "300 | \n", "67 | \n", "27.8 | \n", "
Massachusetts | \n", "4.4 | \n", "149 | \n", "85 | \n", "16.3 | \n", "
Michigan | \n", "12.1 | \n", "255 | \n", "74 | \n", "35.1 | \n", "
Minnesota | \n", "2.7 | \n", "72 | \n", "66 | \n", "14.9 | \n", "
Mississippi | \n", "16.1 | \n", "259 | \n", "44 | \n", "17.1 | \n", "
Missouri | \n", "9.0 | \n", "178 | \n", "70 | \n", "28.2 | \n", "
Montana | \n", "6.0 | \n", "109 | \n", "53 | \n", "16.4 | \n", "
Nebraska | \n", "4.3 | \n", "102 | \n", "62 | \n", "16.5 | \n", "
Nevada | \n", "12.2 | \n", "252 | \n", "81 | \n", "46.0 | \n", "
New Hampshire | \n", "2.1 | \n", "57 | \n", "56 | \n", "9.5 | \n", "
New Jersey | \n", "7.4 | \n", "159 | \n", "89 | \n", "18.8 | \n", "
New Mexico | \n", "11.4 | \n", "285 | \n", "70 | \n", "32.1 | \n", "
New York | \n", "11.1 | \n", "254 | \n", "86 | \n", "26.1 | \n", "
North Carolina | \n", "13.0 | \n", "337 | \n", "45 | \n", "16.1 | \n", "
North Dakota | \n", "0.8 | \n", "45 | \n", "44 | \n", "7.3 | \n", "
Ohio | \n", "7.3 | \n", "120 | \n", "75 | \n", "21.4 | \n", "
Oklahoma | \n", "6.6 | \n", "151 | \n", "68 | \n", "20.0 | \n", "
Oregon | \n", "4.9 | \n", "159 | \n", "67 | \n", "29.3 | \n", "
Pennsylvania | \n", "6.3 | \n", "106 | \n", "72 | \n", "14.9 | \n", "
Rhode Island | \n", "3.4 | \n", "174 | \n", "87 | \n", "8.3 | \n", "
South Carolina | \n", "14.4 | \n", "279 | \n", "48 | \n", "22.5 | \n", "
South Dakota | \n", "3.8 | \n", "86 | \n", "45 | \n", "12.8 | \n", "
Tennessee | \n", "13.2 | \n", "188 | \n", "59 | \n", "26.9 | \n", "
Texas | \n", "12.7 | \n", "201 | \n", "80 | \n", "25.5 | \n", "
Utah | \n", "3.2 | \n", "120 | \n", "80 | \n", "22.9 | \n", "
Vermont | \n", "2.2 | \n", "48 | \n", "32 | \n", "11.2 | \n", "
Virginia | \n", "8.5 | \n", "156 | \n", "63 | \n", "20.7 | \n", "
Washington | \n", "4.0 | \n", "145 | \n", "73 | \n", "26.2 | \n", "
West Virginia | \n", "5.7 | \n", "81 | \n", "39 | \n", "9.3 | \n", "
Wisconsin | \n", "2.6 | \n", "53 | \n", "66 | \n", "10.8 | \n", "
Wyoming | \n", "6.8 | \n", "161 | \n", "60 | \n", "15.6 | \n", "