{"html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fhayataka2049.hatenablog.jp%2Fentry%2F2019%2F07%2F24%2F004411\" title=\"\u3010python\u3011bool(nan)\u3068\u304bnan\u3092astype(bool)\u3059\u308b\u3068True\u306b\u306a\u308b\u306e\u3067\u6c17\u3092\u3064\u3051\u3088\u3046 - \u9759\u304b\u306a\u308b\u540d\u8f9e\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","image_url":null,"url":"https://hayataka2049.hatenablog.jp/entry/2019/07/24/004411","blog_title":"\u9759\u304b\u306a\u308b\u540d\u8f9e","published":"2019-07-24 00:44:11","title":"\u3010python\u3011bool(nan)\u3068\u304bnan\u3092astype(bool)\u3059\u308b\u3068True\u306b\u306a\u308b\u306e\u3067\u6c17\u3092\u3064\u3051\u3088\u3046","width":"100%","categories":["python","numpy","Tips","\u30cd\u30bf\u30fb\u5c0f\u30cd\u30bf","NaN"],"author_url":"https://blog.hatena.ne.jp/hayataka2049/","version":"1.0","blog_url":"https://hayataka2049.hatenablog.jp/","height":"190","author_name":"hayataka2049","description":"\u306a\u3093\u306e\u3053\u3068\u306a\u306e\u304b \u30bf\u30a4\u30c8\u30eb\u306e\u901a\u308a\u3067\u3059\u3002 >>> import numpy as np >>> bool(np.nan) True >>> np.array([np.nan]).astype(bool) array([ True]) \u3044\u3084\u307e\u3042\u3001\u78ba\u304b\u306bPython\u306e\u8a00\u8a9e\u4ed5\u69d8\u4e0a\u305d\u3046\u306a\u3093\u3067\u3059\u304c\u3001\u91c8\u7136\u3068\u3057\u306a\u3044\u6c17\u3082\u30fb\u30fb\u30fb \u306a\u3093\u3067\u56f0\u308b\u306e\u304b 0\u304b\u305d\u308c\u4ee5\u5916\u304b\u3092\u305d\u306e\u307e\u307ebool\u3068\u3057\u3066\u6271\u3044\u305f\u3044\u6642\u304c\u3042\u308a\u307e\u3059\u3002 \u8fd4\u308a\u5024\u304cnan\u306b\u306a\u308a\u3048\u308b\u95a2\u6570\u3092\u4f7f\u3063\u305f\u5f8c\u3001astype\u3067bool\u306b\u3059\u308c\u3070\u3044\u3044\u3068\u601d\u3063\u3066\u3044\u308b\u3068\u30cf\u30de\u308a\u5f97\u307e\u3059\u3002 \u306a\u3093\u3066\u3053\u3063\u305f\u2026\u2026 nan\u3068\u304b\u9762\u5012\u304f\u3055\u3044\u306e\u3067\u3001\u30bf\u30a4\u30e0\u30de\u30b7\u30f3\u304c\u3042\u3063\u305f\u3089\u4ed5\u69d8\u3092\u8003\u3048\u305f\u4eba\u306b\u4f1a\u3044\u306b\u884c\u3063\u3066\u3001\u8aac\u5f97\u3059\u308b\u3068\u2026","provider_name":"Hatena Blog","provider_url":"https://hatena.blog","type":"rich"}