{"title":"df \u306e\u5404\u51fa\u529b\u7d50\u679c\u306b\u5bfe\u3057\u3066\u95a2\u6570\u3092\u9069\u7528\u3059\u308b  (map)","type":"rich","published":"2024-07-13 10:40:46","url":"https://koreyakono.hatenadiary.jp/entry/2024/07/13/104046","author_url":"https://blog.hatena.ne.jp/koreyakono/","provider_name":"Hatena Blog","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fkoreyakono.hatenadiary.jp%2Fentry%2F2024%2F07%2F13%2F104046\" title=\"df \u306e\u5404\u51fa\u529b\u7d50\u679c\u306b\u5bfe\u3057\u3066\u95a2\u6570\u3092\u9069\u7528\u3059\u308b  (map) - \u3042\u308c\u3084\u3053\u308c\u3084\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","version":"1.0","provider_url":"https://hatena.blog","width":"100%","blog_title":"\u3042\u308c\u3084\u3053\u308c\u3084","author_name":"koreyakono","blog_url":"https://koreyakono.hatenadiary.jp/","categories":["Python","pandas"],"image_url":null,"description":"DataFrame.map() \u3092\u4f7f\u3046\u3068\u3001df \u306e\u5404\u51fa\u529b\u7d50\u679c\u306b\u5bfe\u3057\u3066\u3001\u95a2\u6570\u3092\u9069\u7528\u3067\u304d\u308b\u3002 \u3053\u308c\u3067\u3001\u4f8b\u3048\u3070\u3001\u30c7\u30fc\u30bf\u306e\u51fa\u529b\u7d50\u679c\u306e\u672b\u5c3e\u306b\u5358\u4f4d\u3092\u3064\u3051\u305f\u308a\u3067\u304d\u308b\u3002 \u4ee5\u4e0b\u306e\u3088\u3046\u306a\u611f\u3058\u306b\u3059\u308b\u3068\u3001df \u306e\u5404\u51fa\u529b\u7d50\u679c\u306b \"\u53f0\" \u304c\u4ed8\u3051\u3089\u308c\u308b\u3002\u3061\u306a\u307f\u306b\u3001apply \u3060\u3068\u3001\u51fa\u529b\u306e\u4e00\u756a\u6700\u5f8c\u306b \"\u53f0\" \u304c\u3064\u3044\u3066\u3057\u307e\u3046 (\u3053\u308c\u3058\u3083\u306a\u3044)\u3002 def add_dai(x): return str(x) + \"\u53f0\" print(df.map(add_dai))","height":"190"}