{"id":118941,"date":"2024-03-23T16:30:07","date_gmt":"2024-03-23T07:30:07","guid":{"rendered":"https:\/\/www.silicloud.com\/ja\/blog\/%e3%83%91%e3%83%b3%e3%83%80%e3%81%a7%e4%b8%80%e5%88%97%e3%82%92%e5%9f%ba%e6%ba%96%e3%81%ab%e5%88%a5%e3%81%ae%e5%88%97%e3%81%ab%e5%80%a4%e3%82%92%e4%bb%a3%e5%85%a5%e3%81%99%e3%82%8b%e6%96%b9%e6%b3%95\/"},"modified":"2024-03-27T01:03:49","modified_gmt":"2024-03-26T16:03:49","slug":"%e3%83%91%e3%83%b3%e3%83%80%e3%81%a7%e4%b8%80%e5%88%97%e3%82%92%e5%9f%ba%e6%ba%96%e3%81%ab%e5%88%a5%e3%81%ae%e5%88%97%e3%81%ab%e5%80%a4%e3%82%92%e4%bb%a3%e5%85%a5%e3%81%99%e3%82%8b%e6%96%b9%e6%b3%95","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/ja\/blog\/%e3%83%91%e3%83%b3%e3%83%80%e3%81%a7%e4%b8%80%e5%88%97%e3%82%92%e5%9f%ba%e6%ba%96%e3%81%ab%e5%88%a5%e3%81%ae%e5%88%97%e3%81%ab%e5%80%a4%e3%82%92%e4%bb%a3%e5%85%a5%e3%81%99%e3%82%8b%e6%96%b9%e6%b3%95\/","title":{"rendered":"\u30d1\u30f3\u30c0\u3067\u4e00\u5217\u3092\u57fa\u6e96\u306b\u5225\u306e\u5217\u306b\u5024\u3092\u4ee3\u5165\u3059\u308b\u65b9\u6cd5"},"content":{"rendered":"<p>Pandas\u3067\u306fdf.loc\u3068df.iloc\u3092\u4f7f\u3063\u3066\u5217\u306e\u5024\u3092\u57fa\u306b\u5225\u306e\u5217\u306b\u4ee3\u5165\u3067\u304d\u307e\u3059\u3002\u4f8b\u3092\u6b21\u306b\u793a\u3057\u307e\u3059\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"hljs-keyword\">import<\/span> pandas <span class=\"hljs-keyword\">as<\/span> pd\r\n<span class=\"hljs-comment\"># \u521b\u5efa\u4e00\u4e2a\u793a\u4f8bDataFrame<\/span>\r\ndata = {<span class=\"hljs-string\">'A'<\/span>: [<span class=\"hljs-number\">1<\/span>, <span class=\"hljs-number\">2<\/span>, <span class=\"hljs-number\">3<\/span>, <span class=\"hljs-number\">4<\/span>, <span class=\"hljs-number\">5<\/span>],\r\n<span class=\"hljs-string\">'B'<\/span>: [<span class=\"hljs-number\">10<\/span>, <span class=\"hljs-number\">20<\/span>, <span class=\"hljs-number\">30<\/span>, <span class=\"hljs-number\">40<\/span>, <span class=\"hljs-number\">50<\/span>]}\r\ndf = pd.DataFrame(data)\r\n<span class=\"hljs-comment\"># \u6839\u636eA\u5217\u7684\u503c\u7ed9B\u5217\u8d4b\u503c<\/span>\r\ndf.loc[df[<span class=\"hljs-string\">'A'<\/span>] &gt; <span class=\"hljs-number\">2<\/span>, <span class=\"hljs-string\">'B'<\/span>] = <span class=\"hljs-number\">100<\/span>\r\n<span class=\"hljs-built_in\">print<\/span>(df)\r\n<\/code><\/pre>\n<p>\u30cd\u30a4\u30c6\u30a3\u30d6\u306b\u4f1d\u308f\u308b\u3088\u3046\u8a00\u3044\u63db\u3048\u3066\u30021\u3064\u3060\u3051\u3067\u3044\u3044\u3067\u3059\uff1a<\/p>\n<pre class=\"post-pre\"><code>A    B\r\n0  1   10\r\n1  2   20\r\n2  3  100\r\n3  4  100\r\n4  5  100\r\n<\/code><\/pre>\n<p>\u30b3\u30fc\u30c9\u5185\u3067\u306fdf.loc\u3092\u4f7f\u3063\u3066df[&#8216;A&#8217;] &gt; 2\u3068\u3044\u3046\u6761\u4ef6\u3092\u6e80\u305f\u3059\u884c\u3092\u9078\u629e\u3057\u3001\u305d\u306e\u884c\u306e&#8217;B&#8217;\u5217\u306b\u5024100\u3092\u4ee3\u5165\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Pandas\u3067\u306fdf.loc\u3068df.iloc\u3092\u4f7f\u3063\u3066\u5217\u306e\u5024\u3092\u57fa\u306b\u5225\u306e\u5217\u306b\u4ee3\u5165\u3067\u304d\u307e\u3059\u3002\u4f8b\u3092\u6b21\u306b\u793a\u3057\u307e\u3059\u3002 import pandas as pd # \u521b\u5efa\u4e00\u4e2a\u793a\u4f8bDataFrame data = {&#8216;A&#8217;: [1, 2, [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-118941","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v21.5 (Yoast SEO v21.5) - 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