{"title":"Python\u4fee\u884c\uff1aDataFrame\u7279\u5b9a\u9805\u306b\u6b20\u640d\u5024\u306e\u3042\u308b\u884c\u306eCD\u3068\u540c\u3058CD\u884c\u5168\u524a\u9664\u3010\u30b9\u30af\u30ea\u30d7\u30c8\u4ed8\u304d\u3011","height":"190","author_url":"https://blog.hatena.ne.jp/PageTAKA/","image_url":"https://cdn-ak.f.st-hatena.com/images/fotolife/P/PageTAKA/20250212/20250212111955.png","blog_title":"pagetakaBlog","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fpagetaka.hatenablog.jp%2Fentry%2F2025%2F02%2F12%2F120845\" title=\"Python\u4fee\u884c\uff1aDataFrame\u7279\u5b9a\u9805\u306b\u6b20\u640d\u5024\u306e\u3042\u308b\u884c\u306eCD\u3068\u540c\u3058CD\u884c\u5168\u524a\u9664\u3010\u30b9\u30af\u30ea\u30d7\u30c8\u4ed8\u304d\u3011 - pagetakaBlog\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","provider_name":"Hatena Blog","version":"1.0","blog_url":"https://pagetaka.hatenablog.jp/","width":"100%","provider_url":"https://hatena.blog","author_name":"PageTAKA","categories":["Python","PC\u3001\u30cd\u30c3\u30c8\u3001\u60c5\u5831\u7aef\u672b"],"type":"rich","url":"https://pagetaka.hatenablog.jp/entry/2025/02/12/120845","description":"\u524d\u8aac\uff1a\u682a\u5f0f\u7d04\u5b9a\u306e\u7121\u3044\u9805\u76ee\u3092\u3069\u3046\u3059\u308b\u304b\u2026\u3002 \u6b20\u640d\u5024\u3092\u542b\u3080CD\u53d6\u5f97\u3057\u540cCD\u3092\u542b\u3080\u5168\u884c\u524a\u9664\u306e\u6d41\u308c\u3002 Python\u30b9\u30af\u30ea\u30d7\u30c8 \u95a2\u9580\uff1aan_np_array = df[df['z'].isna()]['CD'].unique()\u3001df_no_z_nan = df[~df['CD'].isin(an_np_array)] \u2019\u2019\u3001None\u3001NaN\u3001'\\x00'\u3001\u306a\u3069\u6b20\u640d\u5024\u306e\u6271\u3044\u306f\u9762\u5012\u3067\u3059\u306d\u3002 \u898b\u51fa\u3057\u3067\u610f\u5473\u304c\u901a\u3058\u3066\u3044\u307e\u3059\u3067\u3057\u3087\u3046\u304b\u2026\u4e0d\u5b89\u3002 \u3010DataFrame\u7279\u5b9a\u9805\u306b\u6b20\u640d\u5024\u306e\u3042\u308b\u884c\u306eCD\u3068\u540c\u3058CD\u884c\u5168\u524a\u9664\u3011\u4eca\u56de\u306f\u3001\u30c7\u30fc\u30bf\u30d5\u30ec\u30fc\u30e0z\u9805\u3092\u30bf\u30fc\u30b2\u30c3\u30c8\u306b\u3057\u3066\u3001\u6b20\u640d\u5024\u306b\u306a\u3063\u3066\u3044\u305f\u3089\u305d\u306eCD\u3092\u53d6\u5f97\u5f8c\u3001\u91cd\u8907\u6392\u9664\u3057\u3001\u30c7\u30fc\u30bf\u30d5\u2026","published":"2025-02-12 12:08:45"}