{"id":799,"date":"2024-05-26T20:45:21","date_gmt":"2024-05-26T11:45:21","guid":{"rendered":"https:\/\/chocottopro.com\/?p=799"},"modified":"2024-06-02T13:46:45","modified_gmt":"2024-06-02T04:46:45","slug":"%e3%80%90%e5%ae%8c%e5%85%a8%e8%a7%a3%e8%aa%ac%e3%80%91pandas-read_csv%e3%81%ae%e4%bd%bf%e3%81%84%e6%96%b9%e3%83%9e%e3%82%b9%e3%82%bf%e3%83%bc%ef%bc%8110%e3%81%ae%e5%ae%9f%e8%b7%b5%e7%9a%84%e3%83%86","status":"publish","type":"post","link":"https:\/\/chocottopro.com\/?p=799","title":{"rendered":"\u3010\u5b8c\u5168\u89e3\u8aac\u3011pandas read_csv\u306e\u4f7f\u3044\u65b9\u30de\u30b9\u30bf\u30fc\uff0110\u306e\u5b9f\u8df5\u7684\u30c6\u30af\u30cb\u30c3\u30af\u3067\u30c7\u30fc\u30bf\u5206\u6790\u3092\u52b9\u7387\u5316"},"content":{"rendered":"\n<p>pandas\u306eread_csv\u95a2\u6570\u306f\u3001CSV\u30d5\u30a1\u30a4\u30eb\u304b\u3089\u30c7\u30fc\u30bf\u3092\u8aad\u307f\u8fbc\u3080\u969b\u306e\u5f37\u529b\u306a\u5473\u65b9\u3067\u3059\u3002\u672c\u8a18\u4e8b\u3067\u306f\u3001read_csv\u306e\u57fa\u672c\u7684\u306a\u4f7f\u3044\u65b9\u304b\u3089\u30aa\u30d7\u30b7\u30e7\u30f3\u306e\u6d3b\u7528\u3001\u5b9f\u8df5\u7684\u306a\u30c6\u30af\u30cb\u30c3\u30af\u3001\u30a8\u30e9\u30fc\u5bfe\u51e6\u6cd5\u307e\u3067\u3001\u30c7\u30fc\u30bf\u5206\u6790\u306b\u5f79\u7acb\u3064\u30ce\u30a6\u30cf\u30a6\u3092\u7db2\u7f85\u7684\u306b\u89e3\u8aac\u3057\u307e\u3059\u3002\u3055\u3089\u306b\u3001\u5b9f\u969b\u306e\u30c7\u30fc\u30bf\u5206\u6790\u4e8b\u4f8b\u3092\u901a\u3057\u3066\u3001read_csv\u306e\u5b9f\u8df5\u7684\u306a\u6d3b\u7528\u65b9\u6cd5\u3092\u5b66\u3073\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<div class=\"wp-block-sgb-block-simple sgb-box-simple sgb-box-simple--title-normal sgb-box-simple--with-border\"><div style=\"background-color:var(--wp--preset--color--sango-main);color:#FFF\" class=\"sgb-box-simple__title\">\u3053\u306e\u8a18\u4e8b\u3092\u8aad\u3093\u3060\u3089\u308f\u304b\u308b\u3053\u3068<\/div><div class=\"sgb-box-simple__body\" style=\"border-color:var(--wp--preset--color--sango-main);background-color:#FFF\">\n<ul class=\"wp-block-list\">\n<li>read_csv\u306e\u57fa\u672c\u7684\u306a\u4f7f\u3044\u65b9 <\/li>\n\n\n\n<li>\u30d5\u30a1\u30a4\u30eb\u30d1\u30b9\u306e\u6307\u5b9a\u3001\u30c7\u30fc\u30bf\u306e\u78ba\u8a8d\u3001\u5217\u3084\u884c\u306e\u9078\u629e\u7684\u306a\u8aad\u307f\u8fbc\u307f\u65b9\u6cd5 <\/li>\n\n\n\n<li>header\u3084delimiter\u306a\u3069\u306e\u4e3b\u8981\u306a\u30aa\u30d7\u30b7\u30e7\u30f3\u306e\u6d3b\u7528\u6cd5 <\/li>\n\n\n\n<li>\u6b20\u640d\u5024\u306e\u6271\u3044\u65b9\u3001\u5927\u304d\u306a\u30d5\u30a1\u30a4\u30eb\u306e\u90e8\u5206\u7684\u306a\u8aad\u307f\u8fbc\u307f\u3001\u975e\u6574\u5f62\u30c7\u30fc\u30bf\u306e\u8aad\u307f\u8fbc\u307f\u306a\u3069\u306e\u5b9f\u8df5\u7684\u30c6\u30af\u30cb\u30c3\u30af <\/li>\n\n\n\n<li>\u6587\u5b57\u30b3\u30fc\u30c9\u30a8\u30e9\u30fc\u3001\u30d5\u30a1\u30a4\u30eb\u304c\u898b\u3064\u304b\u3089\u306a\u3044\u30a8\u30e9\u30fc\u3001\u533a\u5207\u308a\u6587\u5b57\u306e\u4e0d\u4e00\u81f4\u30a8\u30e9\u30fc\u3001\u578b\u5909\u63db\u30a8\u30e9\u30fc\u306a\u3069\u306e\u5bfe\u51e6\u6cd5 read_csv\u3092\u4f7f\u3063\u305f\u30c7\u30fc\u30bf\u5206\u6790\u306e\u5b9f\u4f8b <\/li>\n\n\n\n<li>read_csv\u306e\u7fd2\u5f97\u304c\u30c7\u30fc\u30bf\u5206\u6790\u30b9\u30ad\u30eb\u5411\u4e0a\u306b\u679c\u305f\u3059\u5f79\u5272 <\/li>\n\n\n\n<li>\u30c7\u30fc\u30bf\u5206\u6790\u30b9\u30ad\u30eb\u3092\u3055\u3089\u306b\u5411\u4e0a\u3055\u305b\u308b\u305f\u3081\u306e\u6b21\u306e\u30b9\u30c6\u30c3\u30d7<\/li>\n<\/ul>\n<\/div><\/div>\n\n\n\n<div class=\"toc\"><br \/>\n<b>Warning<\/b>:  Undefined array key \"is_admin\" in <b>\/home\/c7479301\/public_html\/chocottopro.com\/wp-content\/themes\/sango-theme\/library\/gutenberg\/dist\/classes\/Toc.php<\/b> on line <b>116<\/b><br \/>\n<br \/>\n<b>Warning<\/b>:  Undefined array key \"is_category_top\" in <b>\/home\/c7479301\/public_html\/chocottopro.com\/wp-content\/themes\/sango-theme\/library\/gutenberg\/dist\/classes\/Toc.php<\/b> on line <b>121<\/b><br \/>\n<br \/>\n<b>Warning<\/b>:  Undefined array key \"is_top\" in <b>\/home\/c7479301\/public_html\/chocottopro.com\/wp-content\/themes\/sango-theme\/library\/gutenberg\/dist\/classes\/Toc.php<\/b> on line <b>128<\/b><br \/>\n    <div id=\"toc_container\" class=\"sgb-toc--bullets js-smooth-scroll\" data-dialog-title=\"Table of Contents\">\n      <p class=\"toc_title\">\u76ee\u6b21 <\/p>\n      <ul class=\"toc_list\">  <li class=\"first\">    <a href=\"#i-0\">pandas\u3068read_csv\u306e\u6982\u8981<\/a>  <\/li>  <li>    <a href=\"#i-1\">read_csv\u306e\u57fa\u672c\u7684\u306a\u4f7f\u3044\u65b9<\/a>    <ul class=\"menu_level_1\">      <li class=\"first\">        <a href=\"#i-2\">\u30d5\u30a1\u30a4\u30eb\u30d1\u30b9\u3092\u6307\u5b9a\u3057\u3066CSV\u3092\u8aad\u307f\u8fbc\u3080\u65b9\u6cd5<\/a>      <\/li>      <li class=\"last\">        <a href=\"#i-3\">\u30c7\u30fc\u30bf\u30d5\u30ec\u30fc\u30e0\u306b\u8aad\u307f\u8fbc\u3093\u3060\u30c7\u30fc\u30bf\u3092\u683c\u7d0d\u3059\u308b<\/a>      <\/li>    <\/ul>  <\/li>  <li>    <a href=\"#i-4\">read_csv\u306e\u30aa\u30d7\u30b7\u30e7\u30f3\u89e3\u8aac<\/a>    <ul class=\"menu_level_1\">      <li class=\"first\">        <a href=\"#i-5\">header\u30aa\u30d7\u30b7\u30e7\u30f3\u3067\u30d8\u30c3\u30c0\u30fc\u884c\u3092\u6307\u5b9a\u3059\u308b<\/a>      <\/li>      <li>        <a href=\"#i-6\">delimiter\u30aa\u30d7\u30b7\u30e7\u30f3\u3067\u533a\u5207\u308a\u6587\u5b57\u3092\u6307\u5b9a\u3059\u308b<\/a>      <\/li>      <li>        <a href=\"#i-7\">dtype\u30aa\u30d7\u30b7\u30e7\u30f3\u3067\u30c7\u30fc\u30bf\u578b\u3092\u6307\u5b9a\u3059\u308b<\/a>      <\/li>      <li class=\"last\">        <a href=\"#i-8\">parse_dates\u30aa\u30d7\u30b7\u30e7\u30f3\u3067\u65e5\u4ed8\u578b\u306b\u5909\u63db\u3059\u308b<\/a>      <\/li>    <\/ul>  <\/li>  <li>    <a href=\"#i-9\">read_csv\u3092\u4f7f\u3063\u305f\u5b9f\u8df5\u7684\u306a\u30c7\u30fc\u30bf\u524d\u51e6\u7406\u30c6\u30af\u30cb\u30c3\u30af<\/a>    <ul class=\"menu_level_1\">      <li class=\"first\">        <a href=\"#i-10\">\u6b20\u640d\u5024\u306e\u6271\u3044\u65b9 \u2013 na_values, skipna<\/a>      <\/li>      <li>        <a href=\"#i-11\">\u5927\u304d\u306a\u30d5\u30a1\u30a4\u30eb\u306e\u4e00\u90e8\u5206\u3060\u3051\u8aad\u307f\u8fbc\u3080 \u2013 nrows, chunksize<\/a>      <\/li>      <li>        <a href=\"#i-12\">\u975e\u6574\u5f62\u30c7\u30fc\u30bf\u306e\u8aad\u307f\u8fbc\u307f \u2013 error_bad_lines, warn_bad_lines<\/a>      <\/li>      <li class=\"last\">        <a href=\"#i-13\">\u5727\u7e2e\u30d5\u30a1\u30a4\u30eb\u306e\u8aad\u307f\u8fbc\u307f \u2013 compression<\/a>      <\/li>    <\/ul>  <\/li>  <li>    <a href=\"#i-14\">read_csv\u306e\u3088\u304f\u3042\u308b\u30a8\u30e9\u30fc\u3068\u5bfe\u51e6\u6cd5<\/a>    <ul class=\"menu_level_1\">      <li class=\"first\">        <a href=\"#i-15\">\u6587\u5b57\u30b3\u30fc\u30c9\u30a8\u30e9\u30fc\u5bfe\u51e6\u6cd5 \u2013 encoding<\/a>      <\/li>      <li>        <a href=\"#i-16\">\u30d5\u30a1\u30a4\u30eb\u304c\u898b\u3064\u304b\u3089\u306a\u3044\u30a8\u30e9\u30fc\u5bfe\u51e6\u6cd5<\/a>      <\/li>      <li>        <a href=\"#i-17\">\u533a\u5207\u308a\u6587\u5b57\u306e\u4e0d\u4e00\u81f4\u30a8\u30e9\u30fc\u5bfe\u51e6\u6cd5<\/a>      <\/li>      <li class=\"last\">        <a href=\"#i-18\">\u578b\u5909\u63db\u30a8\u30e9\u30fc\u5bfe\u51e6\u6cd5<\/a>      <\/li>    <\/ul>  <\/li>  <li>    <a href=\"#i-19\">read_csv\u3092\u4f7f\u3063\u305f\u30c7\u30fc\u30bf\u5206\u6790\u306e\u5b9f\u4f8b<\/a>    <ul class=\"menu_level_1\">      <li class=\"first\">        <a href=\"#i-20\">\u58f2\u4e0a\u30c7\u30fc\u30bf\u306e\u5206\u6790\u4e8b\u4f8b<\/a>      <\/li>      <li class=\"last\">        <a href=\"#i-21\">\u6c17\u8c61\u30c7\u30fc\u30bf\u306e\u5206\u6790\u4e8b\u4f8b<\/a>      <\/li>    <\/ul>  <\/li>  <li class=\"last\">    <a href=\"#i-22\">\u307e\u3068\u3081\uff1aread_csv\u30de\u30b9\u30bf\u30fc\u3078\u306e\u9053<\/a>    <ul class=\"menu_level_1\">      <li class=\"first\">        <a href=\"#i-23\">\u672c\u8a18\u4e8b\u306e\u304a\u3055\u3089\u3044\u3068read_csv\u7fd2\u5f97\u306e\u91cd\u8981\u6027<\/a>      <\/li>      <li class=\"last\">        <a href=\"#i-24\">\u30c7\u30fc\u30bf\u5206\u6790\u30b9\u30ad\u30eb\u5411\u4e0a\u306e\u305f\u3081\u306e\u6b21\u306e\u30b9\u30c6\u30c3\u30d7<\/a>      <\/li>    <\/ul>  <\/li><\/ul>\n      \n    <\/div><\/div><h2 class=\"wp-block-heading\" id=\"i-0\">pandas\u3068read_csv\u306e\u6982\u8981<\/h2>\n\n\n\n<p>Python\u3067\u30c7\u30fc\u30bf\u5206\u6790\u3092\u884c\u3046\u969b\u306b\u6b20\u304b\u305b\u306a\u3044\u306e\u304c\u3001pandas\u3068\u3044\u3046\u30e9\u30a4\u30d6\u30e9\u30ea\u3067\u3059\u3002pandas\u306f\u3001\u30c7\u30fc\u30bf\u306e\u8aad\u307f\u8fbc\u307f\u3001\u52a0\u5de5\u3001\u5206\u6790\u3001\u53ef\u8996\u5316\u306a\u3069\u3001\u30c7\u30fc\u30bf\u5206\u6790\u306e\u3042\u3089\u3086\u308b\u5834\u9762\u3067\u6d3b\u8e8d\u3057\u307e\u3059\u3002\u7279\u306b\u3001CSV\u30d5\u30a1\u30a4\u30eb\u304b\u3089\u30c7\u30fc\u30bf\u3092\u8aad\u307f\u8fbc\u3080\u969b\u306b\u306f\u3001pandas\u306e<code>read_csv<\/code>\u95a2\u6570\u304c\u91cd\u8981\u306a\u5f79\u5272\u3092\u679c\u305f\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p>pandas\u306e\u4e3b\u8981\u306a\u30c7\u30fc\u30bf\u69cb\u9020\u306f\u30011\u6b21\u5143\u306eSeries\u30682\u6b21\u5143\u306eDataFrame\u3067\u3059\u3002Series \u306f\u5358\u4e00\u306e\u5217\u3092\u8868\u3057\u3001DataFrame\u306f\u8907\u6570\u306e\u5217\u304b\u3089\u69cb\u6210\u3055\u308c\u308b\u30c6\u30fc\u30d6\u30eb\u5f62\u5f0f\u306e\u30c7\u30fc\u30bf\u69cb\u9020\u3067\u3059\u3002<code>read_csv<\/code>\u95a2\u6570\u3092\u4f7f\u3046\u3068\u3001CSV\u30d5\u30a1\u30a4\u30eb\u306e\u30c7\u30fc\u30bf\u3092DataFrame\u3068\u3057\u3066\u8aad\u307f\u8fbc\u3080\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u4ee5\u4e0b\u306f\u3001<code>read_csv<\/code>\u95a2\u6570\u3092\u4f7f\u3063\u3066CSV\u30d5\u30a1\u30a4\u30eb\u3092\u8aad\u307f\u8fbc\u3080\u57fa\u672c\u7684\u306a\u4f8b\u3067\u3059\u3002<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">import pandas as pd\n\n# CSV\u30d5\u30a1\u30a4\u30eb\u3092\u8aad\u307f\u8fbc\u3093\u3067DataFrame\u3092\u4f5c\u6210\ndf = pd.read_csv('data.csv')\n\n# DataFrame\u306e\u5148\u982d5\u884c\u3092\u8868\u793a\nprint(df.head())<\/pre>\n\n\n\n<p>\u4e0a\u8a18\u306e\u30b3\u30fc\u30c9\u3067\u306f\u3001\u6700\u521d\u306bpandas\u3092\u30a4\u30f3\u30dd\u30fc\u30c8\u3057\u3001<code>pd<\/code>\u3068\u3044\u3046\u30a8\u30a4\u30ea\u30a2\u30b9\u3092\u8a2d\u5b9a\u3057\u3066\u3044\u307e\u3059\u3002\u6b21\u306b\u3001<code>pd.read_csv('data.csv')<\/code>\u3068\u8a18\u8ff0\u3059\u308b\u3053\u3068\u3067\u3001<code>data.csv<\/code>\u3068\u3044\u3046CSV\u30d5\u30a1\u30a4\u30eb\u3092\u8aad\u307f\u8fbc\u307f\u3001<code>df<\/code>\u3068\u3044\u3046DataFrame\u306b\u683c\u7d0d\u3057\u3066\u3044\u307e\u3059\u3002\u6700\u5f8c\u306b\u3001<code>df.head()<\/code>\u3092\u547c\u3073\u51fa\u3057\u3066\u3001DataFrame\u306e\u5148\u982d5\u884c\u3092\u8868\u793a\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p><code>read_csv<\/code>\u95a2\u6570\u306b\u306f\u3055\u307e\u3056\u307e\u306a\u30aa\u30d7\u30b7\u30e7\u30f3\u304c\u7528\u610f\u3055\u308c\u3066\u304a\u308a\u3001\u30d5\u30a1\u30a4\u30eb\u306e\u533a\u5207\u308a\u6587\u5b57\u3084\u30d8\u30c3\u30c0\u30fc\u306e\u6709\u7121\u306a\u3069\u3092\u6307\u5b9a\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u591a\u69d8\u306a\u5f62\u5f0f\u306eCSV\u30d5\u30a1\u30a4\u30eb\u306b\u5bfe\u5fdc\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<p>pandas\u3068read_csv\u3092\u4f7f\u3044\u3053\u306a\u3059\u3053\u3068\u3067\u3001\u30c7\u30fc\u30bf\u5206\u6790\u306e\u52b9\u7387\u304c\u5927\u5e45\u306b\u5411\u4e0a\u3057\u307e\u3059\u3002\u30c7\u30fc\u30bf\u306e\u8aad\u307f\u8fbc\u307f\u304b\u3089\u52a0\u5de5\u3001\u5206\u6790\u307e\u3067\u3092\u4e00\u8cab\u3057\u3066\u884c\u3048\u308b\u305f\u3081\u3001\u30b3\u30fc\u30c9\u306e\u8a18\u8ff0\u91cf\u3092\u6e1b\u3089\u3057\u306a\u304c\u3089\u3082\u9ad8\u5ea6\u306a\u30c7\u30fc\u30bf\u5206\u6790\u304c\u53ef\u80fd\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u4ee5\u4e0a\u304c\u3001pandas\u3068read_csv\u306e\u6982\u8981\u3067\u3059\u3002\u6b21\u306e\u7ae0\u3067\u306f\u3001read_csv\u306e\u57fa\u672c\u7684\u306a\u4f7f\u3044\u65b9\u306b\u3064\u3044\u3066\u8a73\u3057\u304f\u8aac\u660e\u3057\u3066\u3044\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"i-1\">read_csv\u306e\u57fa\u672c\u7684\u306a\u4f7f\u3044\u65b9<\/h2>\n\n\n\n<p>pandas\u306eread_csv\u95a2\u6570\u306f\u3001CSV\u30d5\u30a1\u30a4\u30eb\u304b\u3089\u30c7\u30fc\u30bf\u3092\u8aad\u307f\u8fbc\u3080\u969b\u306e\u57fa\u672c\u7684\u306a\u30c4\u30fc\u30eb\u3067\u3059\u3002\u3053\u306e\u7ae0\u3067\u306f\u3001read_csv\u306e\u4e3b\u8981\u306a\u5f15\u6570\u3068\u4f7f\u3044\u65b9\u306b\u3064\u3044\u3066\u8aac\u660e\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-2\">\u30d5\u30a1\u30a4\u30eb\u30d1\u30b9\u3092\u6307\u5b9a\u3057\u3066CSV\u3092\u8aad\u307f\u8fbc\u3080\u65b9\u6cd5<\/h3>\n\n\n\n<p>read_csv\u3092\u4f7f\u3063\u3066CSV\u30d5\u30a1\u30a4\u30eb\u3092\u8aad\u307f\u8fbc\u3080\u306b\u306f\u3001\u7b2c\u4e00\u5f15\u6570\u306b\u30d5\u30a1\u30a4\u30eb\u30d1\u30b9\u3092\u6307\u5b9a\u3057\u307e\u3059\u3002\u30d5\u30a1\u30a4\u30eb\u30d1\u30b9\u306f\u3001\u76f8\u5bfe\u30d1\u30b9\u3067\u3082\u7d76\u5bfe\u30d1\u30b9\u3067\u3082\u69cb\u3044\u307e\u305b\u3093\u3002<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">import pandas as pd\n\n# \u76f8\u5bfe\u30d1\u30b9\u3092\u6307\u5b9a\u3057\u3066CSV\u30d5\u30a1\u30a4\u30eb\u3092\u8aad\u307f\u8fbc\u3080\ndf = pd.read_csv('data\/sample.csv')\n\n# \u7d76\u5bfe\u30d1\u30b9\u3092\u6307\u5b9a\u3057\u3066CSV\u30d5\u30a1\u30a4\u30eb\u3092\u8aad\u307f\u8fbc\u3080\ndf = pd.read_csv('\/home\/user\/data\/sample.csv')<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-3\">\u30c7\u30fc\u30bf\u30d5\u30ec\u30fc\u30e0\u306b\u8aad\u307f\u8fbc\u3093\u3060\u30c7\u30fc\u30bf\u3092\u683c\u7d0d\u3059\u308b<\/h3>\n\n\n\n<p>read_csv\u3067CSV\u30d5\u30a1\u30a4\u30eb\u3092\u8aad\u307f\u8fbc\u3080\u3068\u3001\u30c7\u30fc\u30bf\u306fDataFrame\u3068\u3044\u3046\u5f62\u5f0f\u3067\u8fd4\u3055\u308c\u307e\u3059\u3002DataFrame\u306f\u3001pandas\u306b\u304a\u3051\u308b2\u6b21\u5143\u306e\u30c7\u30fc\u30bf\u69cb\u9020\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u8aad\u307f\u8fbc\u3093\u3060DataFrame\u306e\u4e2d\u8eab\u3092\u78ba\u8a8d\u3059\u308b\u306b\u306f\u3001head()\u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u3044\u307e\u3059\u3002\u5f15\u6570\u3067\u8868\u793a\u3059\u308b\u884c\u6570\u3092\u6307\u5b9a\u3067\u304d\u307e\u3059\u304c\u3001\u30c7\u30d5\u30a9\u30eb\u30c8\u3067\u306f\u5148\u982d\u306e5\u884c\u304c\u8868\u793a\u3055\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">import pandas as pd\n\ndf = pd.read_csv('data\/sample.csv')\n\n# DataFrame\u306e\u5148\u982d5\u884c\u3092\u8868\u793a\nprint(df.head())\n\n# DataFrame\u306e\u5148\u982d10\u884c\u3092\u8868\u793a\nprint(df.head(10))<\/pre>\n\n\n\n<p>\u307e\u305f\u3001read_csv\u306b\u306f\u3001\u8aad\u307f\u8fbc\u3080\u5217\u3084\u884c\u3092\u6307\u5b9a\u3059\u308b\u305f\u3081\u306e\u30aa\u30d7\u30b7\u30e7\u30f3\u304c\u3042\u308a\u307e\u3059\u3002\u4f8b\u3048\u3070\u3001usecols\u5f15\u6570\u3092\u4f7f\u3046\u3068\u3001\u8aad\u307f\u8fbc\u3080\u5217\u3092\u6307\u5b9a\u3067\u304d\u307e\u3059\u3002\u5217\u540d\u306e\u30ea\u30b9\u30c8\u3084\u5217\u756a\u53f7\u306e\u30ea\u30b9\u30c8\u3092\u6e21\u3059\u3053\u3068\u3067\u3001\u5fc5\u8981\u306a\u5217\u3060\u3051\u3092\u9078\u629e\u7684\u306b\u8aad\u307f\u8fbc\u3080\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">import pandas as pd\n\n# 'name'\u3068'age'\u306e\u5217\u3060\u3051\u3092\u8aad\u307f\u8fbc\u3080\ndf = pd.read_csv('data\/sample.csv', usecols=['name', 'age'])\n\n# 1\u5217\u76ee\u30683\u5217\u76ee\u3060\u3051\u3092\u8aad\u307f\u8fbc\u3080\ndf = pd.read_csv('data\/sample.csv', usecols=[0, 2])<\/pre>\n\n\n\n<p>\u3055\u3089\u306b\u3001nrows\u5f15\u6570\u3092\u4f7f\u3048\u3070\u3001\u8aad\u307f\u8fbc\u3080\u884c\u6570\u3092\u5236\u9650\u3059\u308b\u3053\u3068\u3082\u3067\u304d\u307e\u3059\u3002\u3053\u306e\u6a5f\u80fd\u306f\u3001\u5927\u304d\u306aCSV\u30d5\u30a1\u30a4\u30eb\u306e\u4e00\u90e8\u3060\u3051\u3092\u78ba\u8a8d\u3057\u305f\u3044\u5834\u5408\u306b\u4fbf\u5229\u3067\u3059\u3002<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">import pandas as pd\n\n# \u6700\u521d\u306e100\u884c\u3060\u3051\u3092\u8aad\u307f\u8fbc\u3080\ndf = pd.read_csv('data\/large_file.csv', nrows=100)<\/pre>\n\n\n\n<p>\u4ee5\u4e0a\u304c\u3001read_csv\u306e\u57fa\u672c\u7684\u306a\u4f7f\u3044\u65b9\u3067\u3059\u3002\u30d5\u30a1\u30a4\u30eb\u30d1\u30b9\u306e\u6307\u5b9a\u3001DataFrame\u3078\u306e\u30c7\u30fc\u30bf\u683c\u7d0d\u3001\u5217\u3084\u884c\u306e\u9078\u629e\u7684\u306a\u8aad\u307f\u8fbc\u307f\u306b\u3064\u3044\u3066\u8aac\u660e\u3057\u307e\u3057\u305f\u3002\u3053\u308c\u3089\u306e\u6a5f\u80fd\u3092\u4f7f\u3044\u3053\u306a\u3059\u3053\u3068\u3067\u3001CSV\u30d5\u30a1\u30a4\u30eb\u304b\u3089\u30c7\u30fc\u30bf\u3092\u52b9\u7387\u7684\u306b\u8aad\u307f\u8fbc\u3080\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u6b21\u306e\u7ae0\u3067\u306f\u3001read_csv\u306e\u3055\u307e\u3056\u307e\u306a\u30aa\u30d7\u30b7\u30e7\u30f3\u306b\u3064\u3044\u3066\u8a73\u3057\u304f\u89e3\u8aac\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"i-4\">read_csv\u306e\u30aa\u30d7\u30b7\u30e7\u30f3\u89e3\u8aac<\/h2>\n\n\n\n<p>read_csv\u95a2\u6570\u306b\u306f\u3001\u30c7\u30fc\u30bf\u306e\u8aad\u307f\u8fbc\u307f\u65b9\u3092\u5236\u5fa1\u3059\u308b\u305f\u3081\u306e\u591a\u6570\u306e\u30aa\u30d7\u30b7\u30e7\u30f3\u304c\u7528\u610f\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u3053\u306e\u7ae0\u3067\u306f\u3001\u4e3b\u8981\u306a\u30aa\u30d7\u30b7\u30e7\u30f3\u306b\u3064\u3044\u3066\u8a73\u3057\u304f\u8aac\u660e\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-5\">header\u30aa\u30d7\u30b7\u30e7\u30f3\u3067\u30d8\u30c3\u30c0\u30fc\u884c\u3092\u6307\u5b9a\u3059\u308b<\/h3>\n\n\n\n<p>header\u30aa\u30d7\u30b7\u30e7\u30f3\u306f\u3001CSV\u30d5\u30a1\u30a4\u30eb\u306e\u30d8\u30c3\u30c0\u30fc\u884c\u3092\u6307\u5b9a\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3057\u307e\u3059\u3002\u30c7\u30d5\u30a9\u30eb\u30c8\u3067\u306f\u3001\u6700\u521d\u306e\u884c\u304c\u30d8\u30c3\u30c0\u30fc\u3068\u3057\u3066\u6271\u308f\u308c\u307e\u3059\uff08header=0\uff09\u3002\u30d8\u30c3\u30c0\u30fc\u304c\u306a\u3044\u5834\u5408\u306f\u3001header=None\u3092\u6307\u5b9a\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">import pandas as pd\n\n# \u30d8\u30c3\u30c0\u30fc\u304c\u3042\u308b\u5834\u5408\uff08\u30c7\u30d5\u30a9\u30eb\u30c8\uff09\ndf = pd.read_csv('data\/sample.csv')\n\n# \u30d8\u30c3\u30c0\u30fc\u304c\u306a\u3044\u5834\u5408\ndf = pd.read_csv('data\/sample.csv', header=None)<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-6\">delimiter\u30aa\u30d7\u30b7\u30e7\u30f3\u3067\u533a\u5207\u308a\u6587\u5b57\u3092\u6307\u5b9a\u3059\u308b<\/h3>\n\n\n\n<p>delimiter\u30aa\u30d7\u30b7\u30e7\u30f3\u306f\u3001CSV\u30d5\u30a1\u30a4\u30eb\u306e\u533a\u5207\u308a\u6587\u5b57\u3092\u6307\u5b9a\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3057\u307e\u3059\u3002\u30c7\u30d5\u30a9\u30eb\u30c8\u3067\u306f\u30ab\u30f3\u30de\uff08,\uff09\u304c\u533a\u5207\u308a\u6587\u5b57\u3068\u3057\u3066\u6271\u308f\u308c\u307e\u3059\u3002\u30bf\u30d6\u533a\u5207\u308a\u306e\u30d5\u30a1\u30a4\u30eb\u3092\u8aad\u307f\u8fbc\u3080\u5834\u5408\u306f\u3001delimiter=\u2019\\t\u2019\u3092\u6307\u5b9a\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">import pandas as pd\n\n# \u30ab\u30f3\u30de\u533a\u5207\u308a\u306eCSV\uff08\u30c7\u30d5\u30a9\u30eb\u30c8\uff09\ndf = pd.read_csv('data\/sample.csv')\n\n# \u30bf\u30d6\u533a\u5207\u308a\u306eTSV\ndf = pd.read_csv('data\/sample.tsv', delimiter='\\t')<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-7\">dtype\u30aa\u30d7\u30b7\u30e7\u30f3\u3067\u30c7\u30fc\u30bf\u578b\u3092\u6307\u5b9a\u3059\u308b<\/h3>\n\n\n\n<p>dtype\u30aa\u30d7\u30b7\u30e7\u30f3\u306f\u3001\u5404\u5217\u306e\u30c7\u30fc\u30bf\u578b\u3092\u6307\u5b9a\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3057\u307e\u3059\u3002\u8f9e\u66f8\u5f62\u5f0f\u3067\u5217\u540d\u3068\u5bfe\u5fdc\u3059\u308b\u30c7\u30fc\u30bf\u578b\u3092\u6307\u5b9a\u3057\u307e\u3059\u3002\u6570\u5024\u578b\u3084\u65e5\u4ed8\u578b\u306a\u3069\u306b\u5909\u63db\u3059\u308b\u3053\u3068\u3067\u3001\u30e1\u30e2\u30ea\u4f7f\u7528\u91cf\u3092\u524a\u6e1b\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">import pandas as pd\n\n# 'age'\u5217\u3092int\u578b\u3001'height'\u5217\u3092float\u578b\u3067\u8aad\u307f\u8fbc\u3080\ndf = pd.read_csv('data\/sample.csv', dtype={'age': int, 'height': float})<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-8\">parse_dates\u30aa\u30d7\u30b7\u30e7\u30f3\u3067\u65e5\u4ed8\u578b\u306b\u5909\u63db\u3059\u308b<\/h3>\n\n\n\n<p>parse_dates\u30aa\u30d7\u30b7\u30e7\u30f3\u306f\u3001\u7279\u5b9a\u306e\u5217\u3092\u65e5\u4ed8\u578b\u306b\u5909\u63db\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3057\u307e\u3059\u3002\u5217\u540d\u306e\u30ea\u30b9\u30c8\u3084\u5217\u756a\u53f7\u306e\u30ea\u30b9\u30c8\u3092\u6307\u5b9a\u3057\u307e\u3059\u3002\u65e5\u4ed8\u578b\u306b\u5909\u63db\u3059\u308b\u3053\u3068\u3067\u3001\u65e5\u4ed8\u95a2\u9023\u306e\u64cd\u4f5c\u3084\u5206\u6790\u304c\u5bb9\u6613\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">import pandas as pd\n\n# 'date'\u5217\u3092\u65e5\u4ed8\u578b\u306b\u5909\u63db\u3057\u3066\u8aad\u307f\u8fbc\u3080\ndf = pd.read_csv('data\/sample.csv', parse_dates=['date'])<\/pre>\n\n\n\n<p>\u4ee5\u4e0a\u304c\u3001read_csv\u306e\u4e3b\u8981\u306a\u30aa\u30d7\u30b7\u30e7\u30f3\u306e\u89e3\u8aac\u3067\u3059\u3002header\u30aa\u30d7\u30b7\u30e7\u30f3\u3067\u30d8\u30c3\u30c0\u30fc\u884c\u3092\u6307\u5b9a\u3057\u3001delimiter\u30aa\u30d7\u30b7\u30e7\u30f3\u3067\u533a\u5207\u308a\u6587\u5b57\u3092\u6307\u5b9a\u3059\u308b\u3053\u3068\u3067\u3001\u69d8\u3005\u306a\u5f62\u5f0f\u306eCSV\u30d5\u30a1\u30a4\u30eb\u306b\u5bfe\u5fdc\u3067\u304d\u307e\u3059\u3002\u307e\u305f\u3001dtype\u30aa\u30d7\u30b7\u30e7\u30f3\u3068parse_dates\u30aa\u30d7\u30b7\u30e7\u30f3\u3092\u4f7f\u3063\u3066\u30c7\u30fc\u30bf\u578b\u3092\u9069\u5207\u306b\u8a2d\u5b9a\u3059\u308b\u3053\u3068\u3067\u3001\u30e1\u30e2\u30ea\u52b9\u7387\u306e\u826f\u3044\u30c7\u30fc\u30bf\u5206\u6790\u304c\u53ef\u80fd\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u6b21\u306e\u7ae0\u3067\u306f\u3001\u3053\u308c\u3089\u306e\u30aa\u30d7\u30b7\u30e7\u30f3\u3092\u6d3b\u7528\u3057\u305f\u5b9f\u8df5\u7684\u306a\u30c7\u30fc\u30bf\u524d\u51e6\u7406\u306e\u30c6\u30af\u30cb\u30c3\u30af\u306b\u3064\u3044\u3066\u8aac\u660e\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"i-9\">read_csv\u3092\u4f7f\u3063\u305f\u5b9f\u8df5\u7684\u306a\u30c7\u30fc\u30bf\u524d\u51e6\u7406\u30c6\u30af\u30cb\u30c3\u30af<\/h2>\n\n\n\n<p>read_csv\u3092\u4f7f\u3063\u3066CSV\u30d5\u30a1\u30a4\u30eb\u304b\u3089\u30c7\u30fc\u30bf\u3092\u8aad\u307f\u8fbc\u3080\u969b\u3001\u69d8\u3005\u306a\u524d\u51e6\u7406\u304c\u5fc5\u8981\u306b\u306a\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u306e\u7ae0\u3067\u306f\u3001\u5b9f\u8df5\u7684\u306a\u30c7\u30fc\u30bf\u524d\u51e6\u7406\u30c6\u30af\u30cb\u30c3\u30af\u306b\u3064\u3044\u3066\u8aac\u660e\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-10\">\u6b20\u640d\u5024\u306e\u6271\u3044\u65b9 \u2013 na_values, skipna<\/h3>\n\n\n\n<p>CSV\u30d5\u30a1\u30a4\u30eb\u306b\u306f\u3001\u3057\u3070\u3057\u3070\u6b20\u640d\u5024\u304c\u542b\u307e\u308c\u3066\u3044\u307e\u3059\u3002read_csv\u3067\u306f\u3001na_values\u30aa\u30d7\u30b7\u30e7\u30f3\u3092\u4f7f\u3063\u3066\u3001\u6307\u5b9a\u3057\u305f\u6587\u5b57\u5217\u3092\u6b20\u640d\u5024\u3068\u3057\u3066\u8a8d\u8b58\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u307e\u305f\u3001skipna\u30aa\u30d7\u30b7\u30e7\u30f3\u3092\u4f7f\u3046\u3068\u3001\u6b20\u640d\u5024\u3092\u542b\u3080\u884c\u3092\u30b9\u30ad\u30c3\u30d7\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">import pandas as pd\n\n# 'NA'\u3068'--'\u3092\u6b20\u640d\u5024\u3068\u3057\u3066\u6271\u3046\ndf = pd.read_csv('data\/sample.csv', na_values=['NA', '--'])\n\n# \u6b20\u640d\u5024\u3092\u542b\u3080\u884c\u3092\u8aad\u307f\u98db\u3070\u3059\ndf = pd.read_csv('data\/sample.csv', skipna=True)<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-11\">\u5927\u304d\u306a\u30d5\u30a1\u30a4\u30eb\u306e\u4e00\u90e8\u5206\u3060\u3051\u8aad\u307f\u8fbc\u3080 \u2013 nrows, chunksize<\/h3>\n\n\n\n<p>\u5927\u304d\u306aCSV\u30d5\u30a1\u30a4\u30eb\u3092\u8aad\u307f\u8fbc\u3080\u5834\u5408\u3001\u30e1\u30e2\u30ea\u4f7f\u7528\u91cf\u304c\u554f\u984c\u306b\u306a\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002nrows\u30aa\u30d7\u30b7\u30e7\u30f3\u3092\u4f7f\u3046\u3068\u3001\u8aad\u307f\u8fbc\u3080\u884c\u6570\u3092\u5236\u9650\u3067\u304d\u307e\u3059\u3002\u307e\u305f\u3001chunksize\u30aa\u30d7\u30b7\u30e7\u30f3\u3092\u4f7f\u3046\u3068\u3001\u5927\u304d\u306a\u30d5\u30a1\u30a4\u30eb\u3092\u5c0f\u3055\u306a\u584a\u306b\u5206\u3051\u3066\u8aad\u307f\u8fbc\u3080\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">import pandas as pd\n\n# \u6700\u521d\u306e1000\u884c\u3060\u3051\u3092\u8aad\u307f\u8fbc\u3080\ndf = pd.read_csv('data\/large_file.csv', nrows=1000)\n\n# 10000\u884c\u305a\u3064\u8aad\u307f\u8fbc\u3080\nchunks = pd.read_csv('data\/large_file.csv', chunksize=10000)\nfor chunk in chunks:\n    # \u5404\u30c1\u30e3\u30f3\u30af\u306b\u5bfe\u3059\u308b\u51e6\u7406\u3092\u884c\u3046\n    print(chunk.head())<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-12\">\u975e\u6574\u5f62\u30c7\u30fc\u30bf\u306e\u8aad\u307f\u8fbc\u307f \u2013 error_bad_lines, warn_bad_lines<\/h3>\n\n\n\n<p>CSV\u30d5\u30a1\u30a4\u30eb\u304c\u6b63\u3057\u3044\u5f62\u5f0f\u306b\u5f93\u3063\u3066\u3044\u306a\u3044\u5834\u5408\u3001read_csv\u306f\u30a8\u30e9\u30fc\u3092\u767a\u751f\u3055\u305b\u307e\u3059\u3002error_bad_lines\u30aa\u30d7\u30b7\u30e7\u30f3\u3092\u4f7f\u3046\u3068\u3001\u4e0d\u6b63\u306a\u884c\u3092\u8aad\u307f\u98db\u3070\u3059\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u307e\u305f\u3001warn_bad_lines\u30aa\u30d7\u30b7\u30e7\u30f3\u3092\u4f7f\u3046\u3068\u3001\u4e0d\u6b63\u306a\u884c\u3092\u8aad\u307f\u98db\u3070\u3059\u969b\u306b\u8b66\u544a\u3092\u8868\u793a\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">import pandas as pd\n\n# \u4e0d\u6b63\u306a\u884c\u3092\u8aad\u307f\u98db\u3070\u3059\ndf = pd.read_csv('data\/bad_format.csv', error_bad_lines=False)\n\n# \u4e0d\u6b63\u306a\u884c\u3092\u8aad\u307f\u98db\u3070\u3057\u3001\u8b66\u544a\u3092\u8868\u793a\u3059\u308b\ndf = pd.read_csv('data\/bad_format.csv', error_bad_lines=False, warn_bad_lines=True)<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-13\">\u5727\u7e2e\u30d5\u30a1\u30a4\u30eb\u306e\u8aad\u307f\u8fbc\u307f \u2013 compression<\/h3>\n\n\n\n<p>CSV\u30d5\u30a1\u30a4\u30eb\u304c\u5727\u7e2e\u3055\u308c\u3066\u3044\u308b\u5834\u5408\u3001compression\u30aa\u30d7\u30b7\u30e7\u30f3\u3092\u4f7f\u3046\u3068\u3001\u5727\u7e2e\u3055\u308c\u305f\u30d5\u30a1\u30a4\u30eb\u3092\u76f4\u63a5\u8aad\u307f\u8fbc\u3080\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002read_csv\u306f\u3001\u2019gzip\u2019, \u2018bz2\u2019, \u2018zip\u2019, \u2018xz\u2019\u306a\u3069\u306e\u5727\u7e2e\u5f62\u5f0f\u306b\u5bfe\u5fdc\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">import pandas as pd\n\n# gzip\u5727\u7e2e\u3055\u308c\u305fCSV\u30d5\u30a1\u30a4\u30eb\u3092\u8aad\u307f\u8fbc\u3080\ndf = pd.read_csv('data\/sample.csv.gz', compression='gzip')<\/pre>\n\n\n\n<p>\u4ee5\u4e0a\u304c\u3001read_csv\u3092\u4f7f\u3063\u305f\u5b9f\u8df5\u7684\u306a\u30c7\u30fc\u30bf\u524d\u51e6\u7406\u30c6\u30af\u30cb\u30c3\u30af\u306e\u7d39\u4ecb\u3067\u3059\u3002\u6b20\u640d\u5024\u306e\u6271\u3044\u65b9\u3001\u5927\u304d\u306a\u30d5\u30a1\u30a4\u30eb\u306e\u90e8\u5206\u7684\u306a\u8aad\u307f\u8fbc\u307f\u3001\u975e\u6574\u5f62\u30c7\u30fc\u30bf\u306e\u8aad\u307f\u8fbc\u307f\u3001\u5727\u7e2e\u30d5\u30a1\u30a4\u30eb\u306e\u8aad\u307f\u8fbc\u307f\u3092\u9069\u5207\u306b\u884c\u3046\u3053\u3068\u3067\u3001\u69d8\u3005\u306a\u5f62\u5f0f\u3084\u54c1\u8cea\u306eCSV\u30d5\u30a1\u30a4\u30eb\u306b\u5bfe\u5fdc\u3057\u3001\u52b9\u7387\u7684\u306b\u30c7\u30fc\u30bf\u5206\u6790\u3092\u9032\u3081\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u6b21\u306e\u7ae0\u3067\u306f\u3001read_csv\u3092\u4f7f\u3046\u969b\u306b\u3088\u304f\u3042\u308b\u30a8\u30e9\u30fc\u3068\u3001\u305d\u306e\u5bfe\u51e6\u6cd5\u306b\u3064\u3044\u3066\u8aac\u660e\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"i-14\">read_csv\u306e\u3088\u304f\u3042\u308b\u30a8\u30e9\u30fc\u3068\u5bfe\u51e6\u6cd5<\/h2>\n\n\n\n<p>read_csv\u3092\u4f7f\u3063\u3066CSV\u30d5\u30a1\u30a4\u30eb\u304b\u3089\u30c7\u30fc\u30bf\u3092\u8aad\u307f\u8fbc\u3080\u969b\u3001\u69d8\u3005\u306a\u30a8\u30e9\u30fc\u306b\u906d\u9047\u3059\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u306e\u7ae0\u3067\u306f\u3001\u3088\u304f\u3042\u308b\u30a8\u30e9\u30fc\u3068\u305d\u306e\u5bfe\u51e6\u6cd5\u306b\u3064\u3044\u3066\u8aac\u660e\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-15\">\u6587\u5b57\u30b3\u30fc\u30c9\u30a8\u30e9\u30fc\u5bfe\u51e6\u6cd5 \u2013 encoding<\/h3>\n\n\n\n<p>CSV\u30d5\u30a1\u30a4\u30eb\u306e\u6587\u5b57\u30b3\u30fc\u30c9\u304c\u30c7\u30d5\u30a9\u30eb\u30c8\u306eUTF-8\u3068\u7570\u306a\u308b\u5834\u5408\u3001\u6587\u5b57\u30b3\u30fc\u30c9\u30a8\u30e9\u30fc\u304c\u767a\u751f\u3057\u307e\u3059\u3002\u3053\u306e\u30a8\u30e9\u30fc\u3092\u89e3\u6c7a\u3059\u308b\u306b\u306f\u3001encoding\u30aa\u30d7\u30b7\u30e7\u30f3\u3092\u4f7f\u3063\u3066\u3001\u6b63\u3057\u3044\u6587\u5b57\u30b3\u30fc\u30c9\u3092\u6307\u5b9a\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">import pandas as pd\n\n# Shift-JIS\u306eCSV\u30d5\u30a1\u30a4\u30eb\u3092\u8aad\u307f\u8fbc\u3080\ndf = pd.read_csv('data\/sjis_file.csv', encoding='shift_jis')<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-16\">\u30d5\u30a1\u30a4\u30eb\u304c\u898b\u3064\u304b\u3089\u306a\u3044\u30a8\u30e9\u30fc\u5bfe\u51e6\u6cd5<\/h3>\n\n\n\n<p>\u6307\u5b9a\u3057\u305f\u30d5\u30a1\u30a4\u30eb\u30d1\u30b9\u304c\u9593\u9055\u3063\u3066\u3044\u308b\u5834\u5408\u3001FileNotFoundError\u304c\u767a\u751f\u3057\u307e\u3059\u3002\u3053\u306e\u30a8\u30e9\u30fc\u3092\u89e3\u6c7a\u3059\u308b\u306b\u306f\u3001\u30d5\u30a1\u30a4\u30eb\u30d1\u30b9\u304c\u6b63\u3057\u3044\u304b\u78ba\u8a8d\u3057\u3001\u76f8\u5bfe\u30d1\u30b9\u3092\u4f7f\u3063\u3066\u3044\u308b\u5834\u5408\u306f\u30ab\u30ec\u30f3\u30c8\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u3092\u78ba\u8a8d\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">import pandas as pd\nimport os\n\n# \u30ab\u30ec\u30f3\u30c8\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u3092\u78ba\u8a8d\u3059\u308b\nprint(os.getcwd())\n\n# \u6b63\u3057\u3044\u30d5\u30a1\u30a4\u30eb\u30d1\u30b9\u3092\u6307\u5b9a\u3059\u308b\ndf = pd.read_csv('data\/sample.csv')<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-17\">\u533a\u5207\u308a\u6587\u5b57\u306e\u4e0d\u4e00\u81f4\u30a8\u30e9\u30fc\u5bfe\u51e6\u6cd5<\/h3>\n\n\n\n<p>CSV\u30d5\u30a1\u30a4\u30eb\u306e\u533a\u5207\u308a\u6587\u5b57\u304c\u30c7\u30d5\u30a9\u30eb\u30c8\u306e\u30ab\u30f3\u30de\u3068\u7570\u306a\u308b\u5834\u5408\u3001\u30c7\u30fc\u30bf\u304c\u6b63\u3057\u304f\u8aad\u307f\u8fbc\u307e\u308c\u307e\u305b\u3093\u3002\u3053\u306e\u30a8\u30e9\u30fc\u3092\u89e3\u6c7a\u3059\u308b\u306b\u306f\u3001delimiter\u30aa\u30d7\u30b7\u30e7\u30f3\u3092\u4f7f\u3063\u3066\u3001\u6b63\u3057\u3044\u533a\u5207\u308a\u6587\u5b57\u3092\u6307\u5b9a\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">import pandas as pd\n\n# \u30bb\u30df\u30b3\u30ed\u30f3\u533a\u5207\u308a\u306eCSV\u30d5\u30a1\u30a4\u30eb\u3092\u8aad\u307f\u8fbc\u3080\ndf = pd.read_csv('data\/semicolon_separated.csv', delimiter=';')<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-18\">\u578b\u5909\u63db\u30a8\u30e9\u30fc\u5bfe\u51e6\u6cd5<\/h3>\n\n\n\n<p>CSV\u30d5\u30a1\u30a4\u30eb\u306e\u5024\u304c\u671f\u5f85\u3055\u308c\u308b\u30c7\u30fc\u30bf\u578b\u3068\u7570\u306a\u308b\u5834\u5408\u3001\u578b\u5909\u63db\u30a8\u30e9\u30fc\u304c\u767a\u751f\u3057\u307e\u3059\u3002\u3053\u306e\u30a8\u30e9\u30fc\u3092\u89e3\u6c7a\u3059\u308b\u306b\u306f\u3001dtype\u30aa\u30d7\u30b7\u30e7\u30f3\u3092\u4f7f\u3063\u3066\u9069\u5207\u306a\u30c7\u30fc\u30bf\u578b\u3092\u6307\u5b9a\u3059\u308b\u304b\u3001converters\u30aa\u30d7\u30b7\u30e7\u30f3\u3092\u4f7f\u3063\u3066\u30ab\u30b9\u30bf\u30e0\u306e\u5909\u63db\u95a2\u6570\u3092\u9069\u7528\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">import pandas as pd\n\n# 'price'\u5217\u3092float\u578b\u306b\u5909\u63db\u3059\u308b\ndf = pd.read_csv('data\/sample.csv', dtype={'price': float})\n\n# 'date'\u5217\u3092\u30ab\u30b9\u30bf\u30e0\u306e\u65e5\u4ed8\u5f62\u5f0f\u3067\u8aad\u307f\u8fbc\u3080\ndef parse_date(date_string):\n    return pd.to_datetime(date_string, format='%Y\/%m\/%d')\n\ndf = pd.read_csv('data\/sample.csv', converters={'date': parse_date})<\/pre>\n\n\n\n<p>\u4ee5\u4e0a\u304c\u3001read_csv\u3092\u4f7f\u3046\u969b\u306e\u3088\u304f\u3042\u308b\u30a8\u30e9\u30fc\u3068\u5bfe\u51e6\u6cd5\u306e\u7d39\u4ecb\u3067\u3059\u3002\u6587\u5b57\u30b3\u30fc\u30c9\u30a8\u30e9\u30fc\u3001\u30d5\u30a1\u30a4\u30eb\u304c\u898b\u3064\u304b\u3089\u306a\u3044\u30a8\u30e9\u30fc\u3001\u533a\u5207\u308a\u6587\u5b57\u306e\u4e0d\u4e00\u81f4\u30a8\u30e9\u30fc\u3001\u578b\u5909\u63db\u30a8\u30e9\u30fc\u306b\u9069\u5207\u306b\u5bfe\u51e6\u3059\u308b\u3053\u3068\u3067\u3001CSV\u30d5\u30a1\u30a4\u30eb\u304b\u3089\u30c7\u30fc\u30bf\u3092\u6b63\u3057\u304f\u8aad\u307f\u8fbc\u3080\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u30a8\u30e9\u30fc\u306b\u906d\u9047\u3057\u305f\u969b\u306f\u3001\u843d\u3061\u7740\u3044\u3066\u539f\u56e0\u3092\u7279\u5b9a\u3057\u3001\u9069\u5207\u306a\u30aa\u30d7\u30b7\u30e7\u30f3\u3092\u4f7f\u3063\u3066\u5bfe\u51e6\u3059\u308b\u3053\u3068\u304c\u91cd\u8981\u3067\u3059\u3002\u3053\u308c\u3089\u306e\u5bfe\u51e6\u6cd5\u3092\u8eab\u306b\u3064\u3051\u308b\u3053\u3068\u3067\u3001\u30c7\u30fc\u30bf\u5206\u6790\u3092\u30b9\u30e0\u30fc\u30ba\u306b\u9032\u3081\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u3067\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<p>\u6b21\u306e\u7ae0\u3067\u306f\u3001read_csv\u3092\u4f7f\u3063\u305f\u30c7\u30fc\u30bf\u5206\u6790\u306e\u5b9f\u4f8b\u3092\u7d39\u4ecb\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"i-19\">read_csv\u3092\u4f7f\u3063\u305f\u30c7\u30fc\u30bf\u5206\u6790\u306e\u5b9f\u4f8b<\/h2>\n\n\n\n<p>\u3053\u3053\u307e\u3067\u306e\u7ae0\u3067\u3001read_csv\u306e\u57fa\u672c\u7684\u306a\u4f7f\u3044\u65b9\u304b\u3089\u30aa\u30d7\u30b7\u30e7\u30f3\u306e\u89e3\u8aac\u3001\u5b9f\u8df5\u7684\u306a\u30c6\u30af\u30cb\u30c3\u30af\u3001\u30a8\u30e9\u30fc\u5bfe\u51e6\u6cd5\u307e\u3067\u3092\u5b66\u3073\u307e\u3057\u305f\u3002\u3053\u306e\u7ae0\u3067\u306f\u3001read_csv\u3092\u5b9f\u969b\u306e\u30c7\u30fc\u30bf\u5206\u6790\u3067\u6d3b\u7528\u3057\u305f\u4e8b\u4f8b\u3092\u7d39\u4ecb\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-20\">\u58f2\u4e0a\u30c7\u30fc\u30bf\u306e\u5206\u6790\u4e8b\u4f8b<\/h3>\n\n\n\n<p>\u6700\u521d\u306e\u4e8b\u4f8b\u306f\u3001\u58f2\u4e0a\u30c7\u30fc\u30bf\u306e\u5206\u6790\u3067\u3059\u3002read_csv\u3092\u4f7f\u3063\u3066\u3001\u58f2\u4e0a\u30c7\u30fc\u30bf\u306eCSV\u30d5\u30a1\u30a4\u30eb\u3092\u8aad\u307f\u8fbc\u307f\u3001\u30c7\u30fc\u30bf\u306e\u524d\u51e6\u7406\u3092\u884c\u3063\u305f\u5f8c\u3001\u58f2\u4e0a\u306e\u96c6\u8a08\u3084\u53ef\u8996\u5316\u3092\u884c\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">import pandas as pd\nimport matplotlib.pyplot as plt\n\n# \u58f2\u4e0a\u30c7\u30fc\u30bf\u306e\u8aad\u307f\u8fbc\u307f\ndf = pd.read_csv('data\/sales_data.csv')\n\n# \u6b20\u640d\u5024\u306e\u524a\u9664\ndf.dropna(inplace=True)\n\n# 'date'\u5217\u3092datetime\u578b\u306b\u5909\u63db\ndf['date'] = pd.to_datetime(df['date'])\n\n# \u6708\u5225\u306e\u58f2\u4e0a\u3092\u96c6\u8a08\nmonthly_sales = df.groupby(pd.Grouper(key='date', freq='M'))['sales'].sum()\n\n# \u6708\u5225\u306e\u58f2\u4e0a\u63a8\u79fb\u3092\u30b0\u30e9\u30d5\u5316\nplt.figure(figsize=(10, 6))\nplt.plot(monthly_sales.index, monthly_sales.values)\nplt.xlabel('Date')\nplt.ylabel('Sales')\nplt.title('Monthly Sales')\nplt.show()<\/pre>\n\n\n\n<p>\u3053\u306e\u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9\u3067\u306f\u3001read_csv\u3092\u4f7f\u3063\u3066\u58f2\u4e0a\u30c7\u30fc\u30bf\u3092\u8aad\u307f\u8fbc\u307f\u3001\u6b20\u640d\u5024\u3092\u524a\u9664\u3057\u305f\u5f8c\u3001\u2019date\u2019\u5217\u3092datetime\u578b\u306b\u5909\u63db\u3057\u3066\u3044\u307e\u3059\u3002\u305d\u306e\u5f8c\u3001pd.Grouper\u3092\u4f7f\u3063\u3066\u6708\u5225\u306e\u58f2\u4e0a\u3092\u96c6\u8a08\u3057\u3001matplotlib\u3092\u4f7f\u3063\u3066\u58f2\u4e0a\u63a8\u79fb\u3092\u30b0\u30e9\u30d5\u5316\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-21\">\u6c17\u8c61\u30c7\u30fc\u30bf\u306e\u5206\u6790\u4e8b\u4f8b<\/h3>\n\n\n\n<p>\u6b21\u306e\u4e8b\u4f8b\u306f\u3001\u6c17\u8c61\u30c7\u30fc\u30bf\u306e\u5206\u6790\u3067\u3059\u3002read_csv\u3092\u4f7f\u3063\u3066\u3001\u6c17\u8c61\u30c7\u30fc\u30bf\u306eCSV\u30d5\u30a1\u30a4\u30eb\u3092\u8aad\u307f\u8fbc\u307f\u3001\u30c7\u30fc\u30bf\u306e\u524d\u51e6\u7406\u3092\u884c\u3063\u305f\u5f8c\u3001\u6c17\u6e29\u3068\u964d\u6c34\u91cf\u306e\u95a2\u4fc2\u3092\u5206\u6790\u3057\u3001\u53ef\u8996\u5316\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">import pandas as pd\nimport seaborn as sns\n\n# \u6c17\u8c61\u30c7\u30fc\u30bf\u306e\u8aad\u307f\u8fbc\u307f\ndf = pd.read_csv('data\/weather_data.csv')\n\n# \u6b20\u640d\u5024\u3092\u542b\u3080\u884c\u3092\u524a\u9664\ndf.dropna(inplace=True)\n\n# 'date'\u5217\u3092datetime\u578b\u306b\u5909\u63db\ndf['date'] = pd.to_datetime(df['date'])\n\n# \u6c17\u6e29\u3068\u964d\u6c34\u91cf\u306e\u95a2\u4fc2\u3092\u53ef\u8996\u5316\nsns.scatterplot(data=df, x='temperature', y='precipitation')\nplt.xlabel('Temperature (\u00b0C)')\nplt.ylabel('Precipitation (mm)')\nplt.title('Temperature vs. Precipitation')\nplt.show()<\/pre>\n\n\n\n<p>\u3053\u306e\u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9\u3067\u306f\u3001read_csv\u3092\u4f7f\u3063\u3066\u6c17\u8c61\u30c7\u30fc\u30bf\u3092\u8aad\u307f\u8fbc\u307f\u3001\u6b20\u640d\u5024\u3092\u542b\u3080\u884c\u3092\u524a\u9664\u3057\u305f\u5f8c\u3001\u2019date\u2019\u5217\u3092datetime\u578b\u306b\u5909\u63db\u3057\u3066\u3044\u307e\u3059\u3002\u305d\u306e\u5f8c\u3001seaborn\u3092\u4f7f\u3063\u3066\u6c17\u6e29\u3068\u964d\u6c34\u91cf\u306e\u95a2\u4fc2\u3092\u6563\u5e03\u56f3\u3067\u53ef\u8996\u5316\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u3053\u308c\u3089\u306e\u4e8b\u4f8b\u304b\u3089\u3001read_csv\u3092\u4f7f\u3063\u3066CSV\u30d5\u30a1\u30a4\u30eb\u304b\u3089\u30c7\u30fc\u30bf\u3092\u8aad\u307f\u8fbc\u307f\u3001\u524d\u51e6\u7406\u3092\u884c\u3063\u305f\u5f8c\u3001\u30c7\u30fc\u30bf\u306e\u96c6\u8a08\u3084\u53ef\u8996\u5316\u3092\u884c\u3046\u3068\u3044\u3046\u4e00\u9023\u306e\u30c7\u30fc\u30bf\u5206\u6790\u306e\u6d41\u308c\u3092\u5b66\u3076\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u307e\u305f\u3001\u3053\u308c\u3089\u306e\u4e8b\u4f8b\u3092\u30d9\u30fc\u30b9\u306b\u3001\u72ec\u81ea\u306e\u30c7\u30fc\u30bf\u5206\u6790\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u3092\u9032\u3081\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u3067\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<p>read_csv\u306f\u3001\u30c7\u30fc\u30bf\u5206\u6790\u306b\u304a\u3044\u3066\u91cd\u8981\u306a\u5f79\u5272\u3092\u679c\u305f\u3057\u307e\u3059\u3002\u5b9f\u969b\u306e\u30c7\u30fc\u30bf\u3092\u4f7f\u3063\u305f\u5206\u6790\u4e8b\u4f8b\u3092\u901a\u3057\u3066\u3001read_csv\u306e\u5b9f\u8df5\u7684\u306a\u4f7f\u3044\u65b9\u3092\u8eab\u306b\u3064\u3051\u308b\u3053\u3068\u3067\u3001\u30c7\u30fc\u30bf\u5206\u6790\u306e\u30b9\u30ad\u30eb\u3092\u5411\u4e0a\u3055\u305b\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u6b21\u306e\u7ae0\u3067\u306f\u3001\u672c\u8a18\u4e8b\u306e\u307e\u3068\u3081\u3068\u3001read_csv\u3092\u7fd2\u5f97\u3059\u308b\u3053\u3068\u306e\u91cd\u8981\u6027\u306b\u3064\u3044\u3066\u8aac\u660e\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"i-22\">\u307e\u3068\u3081\uff1aread_csv\u30de\u30b9\u30bf\u30fc\u3078\u306e\u9053<\/h2>\n\n\n\n<p>\u672c\u8a18\u4e8b\u3067\u306f\u3001pandas\u306eread_csv\u95a2\u6570\u306b\u3064\u3044\u3066\u3001\u57fa\u672c\u7684\u306a\u4f7f\u3044\u65b9\u304b\u3089\u30aa\u30d7\u30b7\u30e7\u30f3\u306e\u6d3b\u7528\u3001\u5b9f\u8df5\u7684\u306a\u30c6\u30af\u30cb\u30c3\u30af\u3001\u30a8\u30e9\u30fc\u5bfe\u51e6\u6cd5\u307e\u3067\u3001\u7db2\u7f85\u7684\u306b\u89e3\u8aac\u3057\u3066\u304d\u307e\u3057\u305f\u3002\u307e\u305f\u3001\u30c7\u30fc\u30bf\u5206\u6790\u306e\u5b9f\u4f8b\u3092\u901a\u3057\u3066\u3001read_csv\u306e\u5b9f\u8df5\u7684\u306a\u4f7f\u3044\u65b9\u3092\u5b66\u3073\u307e\u3057\u305f\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-23\">\u672c\u8a18\u4e8b\u306e\u304a\u3055\u3089\u3044\u3068read_csv\u7fd2\u5f97\u306e\u91cd\u8981\u6027<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>read_csv\u306f\u3001CSV\u30d5\u30a1\u30a4\u30eb\u304b\u3089\u30c7\u30fc\u30bf\u3092\u8aad\u307f\u8fbc\u3080\u305f\u3081\u306e\u5f37\u529b\u306a\u30c4\u30fc\u30eb\u3067\u3059\u3002<\/li>\n\n\n\n<li>\u30d5\u30a1\u30a4\u30eb\u30d1\u30b9\u306e\u6307\u5b9a\u3001\u30c7\u30fc\u30bf\u306e\u4e2d\u8eab\u306e\u78ba\u8a8d\u3001\u7279\u5b9a\u306e\u5217\u3084\u884c\u306e\u9078\u629e\u7684\u306a\u8aad\u307f\u8fbc\u307f\u306a\u3069\u3001\u57fa\u672c\u7684\u306a\u4f7f\u3044\u65b9\u3092\u7406\u89e3\u3057\u307e\u3057\u305f\u3002<\/li>\n\n\n\n<li>header\u3084delimiter\u306a\u3069\u306e\u30aa\u30d7\u30b7\u30e7\u30f3\u3092\u6d3b\u7528\u3059\u308b\u3053\u3068\u3067\u3001\u69d8\u3005\u306a\u5f62\u5f0f\u306eCSV\u30d5\u30a1\u30a4\u30eb\u306b\u5bfe\u5fdc\u3067\u304d\u307e\u3059\u3002<\/li>\n\n\n\n<li>\u6b20\u640d\u5024\u306e\u6271\u3044\u65b9\u3001\u5927\u304d\u306a\u30d5\u30a1\u30a4\u30eb\u306e\u90e8\u5206\u7684\u306a\u8aad\u307f\u8fbc\u307f\u3001\u975e\u6574\u5f62\u30c7\u30fc\u30bf\u306e\u8aad\u307f\u8fbc\u307f\u306a\u3069\u3001\u5b9f\u8df5\u7684\u306a\u30c6\u30af\u30cb\u30c3\u30af\u3092\u5b66\u3073\u307e\u3057\u305f\u3002<\/li>\n\n\n\n<li>\u6587\u5b57\u30b3\u30fc\u30c9\u30a8\u30e9\u30fc\u3001\u30d5\u30a1\u30a4\u30eb\u304c\u898b\u3064\u304b\u3089\u306a\u3044\u30a8\u30e9\u30fc\u3001\u533a\u5207\u308a\u6587\u5b57\u306e\u4e0d\u4e00\u81f4\u30a8\u30e9\u30fc\u3001\u578b\u5909\u63db\u30a8\u30e9\u30fc\u306a\u3069\u3001\u3088\u304f\u3042\u308b\u30a8\u30e9\u30fc\u306e\u5bfe\u51e6\u6cd5\u3092\u8eab\u306b\u3064\u3051\u307e\u3057\u305f\u3002<\/li>\n<\/ul>\n\n\n\n<p>read_csv\u3092\u7fd2\u5f97\u3059\u308b\u3053\u3068\u3067\u3001\u30c7\u30fc\u30bf\u5206\u6790\u306e\u30b9\u30ad\u30eb\u3092\u5411\u4e0a\u3055\u305b\u3001\u52b9\u7387\u7684\u304b\u3064\u6b63\u78ba\u306b\u30c7\u30fc\u30bf\u3092\u51e6\u7406\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002CSV\u30d5\u30a1\u30a4\u30eb\u306f\u3001\u30c7\u30fc\u30bf\u5206\u6790\u3067\u983b\u7e41\u306b\u6271\u3046\u30d5\u30a1\u30a4\u30eb\u5f62\u5f0f\u306e1\u3064\u3067\u3042\u308a\u3001read_csv\u3092\u4f7f\u3044\u3053\u306a\u305b\u308b\u3053\u3068\u306f\u3001\u30c7\u30fc\u30bf\u30a2\u30ca\u30ea\u30b9\u30c8\u306b\u3068\u3063\u3066\u5fc5\u9808\u306e\u30b9\u30ad\u30eb\u3068\u8a00\u3048\u308b\u3067\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-24\">\u30c7\u30fc\u30bf\u5206\u6790\u30b9\u30ad\u30eb\u5411\u4e0a\u306e\u305f\u3081\u306e\u6b21\u306e\u30b9\u30c6\u30c3\u30d7<\/h3>\n\n\n\n<p>read_csv\u3092\u7fd2\u5f97\u3057\u305f\u3089\u3001\u6b21\u306e\u30b9\u30c6\u30c3\u30d7\u3068\u3057\u3066\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u30b9\u30ad\u30eb\u30a2\u30c3\u30d7\u3092\u76ee\u6307\u3059\u3053\u3068\u3092\u304a\u52e7\u3081\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u4ed6\u306epandas\u95a2\u6570\uff08\u30c7\u30fc\u30bf\u52a0\u5de5\u3001\u96c6\u8a08\u3001\u7d50\u5408\u306a\u3069\uff09\u306b\u3064\u3044\u3066\u3082\u5b66\u3076\u3002<\/li>\n\n\n\n<li>\u30c7\u30fc\u30bf\u53ef\u8996\u5316\u30e9\u30a4\u30d6\u30e9\u30ea\uff08Matplotlib\u3001Seaborn \u306a\u3069\uff09\u306e\u4f7f\u3044\u65b9\u3092\u8eab\u306b\u3064\u3051\u308b\u3002<\/li>\n\n\n\n<li>\u7d71\u8a08\u5206\u6790\u3084\u30de\u30b7\u30f3\u30e9\u30fc\u30cb\u30f3\u30b0\u306a\u3069\u3001\u3088\u308a\u9ad8\u5ea6\u306a\u30c7\u30fc\u30bf\u5206\u6790\u624b\u6cd5\u306b\u6311\u6226\u3059\u308b\u3002<\/li>\n\n\n\n<li>Kaggle\u306a\u3069\u306e\u30c7\u30fc\u30bf\u5206\u6790\u30b3\u30f3\u30da\u30c6\u30a3\u30b7\u30e7\u30f3\u306b\u53c2\u52a0\u3057\u3001\u5b9f\u8df5\u7684\u306a\u30b9\u30ad\u30eb\u3092\u78e8\u304f\u3002<\/li>\n<\/ol>\n\n\n\n<p>\u3053\u308c\u3089\u306e\u30b9\u30ad\u30eb\u3092\u8eab\u306b\u3064\u3051\u308b\u3053\u3068\u3067\u3001\u30c7\u30fc\u30bf\u5206\u6790\u306e\u30d7\u30ed\u30d5\u30a7\u30c3\u30b7\u30e7\u30ca\u30eb\u3078\u3068\u6210\u9577\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u672c\u8a18\u4e8b\u3067\u5f97\u305f\u77e5\u8b58\u3092\u6d3b\u304b\u3057\u3001\u3055\u3089\u306a\u308b\u30b9\u30ad\u30eb\u30a2\u30c3\u30d7\u306b\u52b1\u3093\u3067\u3044\u305f\u3060\u3051\u308c\u3070\u5e78\u3044\u3067\u3059\u3002read_csv\u3092\u30de\u30b9\u30bf\u30fc\u3057\u3001\u30c7\u30fc\u30bf\u5206\u6790\u306e\u4e16\u754c\u3067\u6d3b\u8e8d\u3055\u308c\u308b\u3053\u3068\u3092\u5fc3\u3088\u308a\u5fdc\u63f4\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>pandas\u306eread_csv\u95a2\u6570\u306f\u3001CSV\u30d5\u30a1\u30a4\u30eb\u304b\u3089\u30c7\u30fc\u30bf\u3092\u8aad\u307f\u8fbc\u3080\u969b\u306e\u5f37\u529b\u306a\u5473\u65b9\u3067\u3059\u3002\u672c\u8a18\u4e8b\u3067\u306f\u3001read_csv\u306e\u57fa\u672c\u7684\u306a\u4f7f\u3044\u65b9\u304b\u3089\u30aa\u30d7\u30b7\u30e7\u30f3\u306e\u6d3b\u7528\u3001\u5b9f\u8df5\u7684\u306a\u30c6\u30af\u30cb\u30c3\u30af\u3001\u30a8\u30e9\u30fc\u5bfe\u51e6\u6cd5\u307e\u3067\u3001\u30c7\u30fc\u30bf\u5206\u6790\u306b\u5f79\u7acb\u3064\u30ce\u30a6\u30cf &#8230; <\/p>\n","protected":false},"author":1,"featured_media":836,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4],"tags":[],"class_list":{"0":"post-799","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-python"},"_links":{"self":[{"href":"https:\/\/chocottopro.com\/index.php?rest_route=\/wp\/v2\/posts\/799","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/chocottopro.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/chocottopro.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/chocottopro.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/chocottopro.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=799"}],"version-history":[{"count":1,"href":"https:\/\/chocottopro.com\/index.php?rest_route=\/wp\/v2\/posts\/799\/revisions"}],"predecessor-version":[{"id":800,"href":"https:\/\/chocottopro.com\/index.php?rest_route=\/wp\/v2\/posts\/799\/revisions\/800"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/chocottopro.com\/index.php?rest_route=\/wp\/v2\/media\/836"}],"wp:attachment":[{"href":"https:\/\/chocottopro.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=799"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/chocottopro.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=799"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/chocottopro.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=799"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}