{"author_name":"dk521123","height":"190","author_url":"https://blog.hatena.ne.jp/dk521123/","type":"rich","title":"\u3010Python\u3011Pandas \uff5e NaN\u3092None\u306b\u5909\u63db\u3059\u308b \uff5e","provider_name":"Hatena Blog","provider_url":"https://hatena.blog","version":"1.0","published":"2022-02-20 00:00:00","description":"\u25a0 \u306f\u3058\u3081\u306b \u5c0f\u30cd\u30bf\u3002 https://dk521123.hatenablog.com/entry/2022/02/16/000000 \u3067\u6271\u3063\u305f pd.read_json() \u3092\u30c6\u30b9\u30c8\u3057\u3066\u3044\u305f\u3089\u3001 \u610f\u56f3\u3057\u305f\u52d5\u4f5c\u306b\u306a\u3089\u306a\u304b\u3063\u305f\u3002 \u539f\u56e0\u3092\u63a2\u3063\u3066\u3044\u305f\u3089\u3001None\uff08null\uff09\u306b\u306a\u3063\u3066\u307b\u3057\u3044\u5024\u304c Nan\uff08\u975e\u6570(\u82f1\u8a9e\uff1aNot a Number)\uff09\u306b\u306a\u3063\u3066\u3044\u305f\u3002 \u76ee\u6b21 \u3010\uff11\u3011NaN\u306b\u306a\u3063\u3066\u3057\u307e\u3046\u4f8b \uff11\uff09\u88dc\u8db3\uff1aNull\u306b\u306a\u3089\u306a\u3044\u30d1\u30bf\u30fc\u30f3 \u3010\uff12\u3011NaN\u3092None\u306b\u5909\u63db\u3059\u308b\u65b9\u6cd5 \u65b9\u6cd5\uff11\uff1adf.where(df.notnull(), None) \u65b9\u6cd5\uff12\uff1adf.replace([np.nan], [None]) \u3010\uff11\u2026","blog_url":"https://dk521123.hatenablog.com/","image_url":null,"width":"100%","url":"https://dk521123.hatenablog.com/entry/2022/02/20/000000","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fdk521123.hatenablog.com%2Fentry%2F2022%2F02%2F20%2F000000\" title=\"\u3010Python\u3011Pandas \uff5e NaN\u3092None\u306b\u5909\u63db\u3059\u308b \uff5e - \u30d7\u30ed\u30b0\u30e9\u30e0 \u306e\u8d85\u500b\u4eba\u7684\u306a\u30e1\u30e2\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","blog_title":"\u30d7\u30ed\u30b0\u30e9\u30e0 \u306e\u8d85\u500b\u4eba\u7684\u306a\u30e1\u30e2","categories":["Python"]}