{"title":"\u300cDeprecationWarning: The truth value of an empty array is ambiguous. Returning False, but in future this will result in an error. Use `array.size > 0` to check that an array is not empty.\u300d\u30a8\u30e9\u30fc","description":"\u539f\u56e0\u306f\u4ee5\u4e0b\u3002 \u30fbcross_val_score\u95a2\u6570\u306e\u5185\u90e8\u306b\u4ee5\u4e0b\u306e\u30b3\u30fc\u30c9\u304c\u3042\u308a\u3001\u60f3\u5b9a\u5916\u306e\u30af\u30e9\u30b9\uff08\u30ab\u30c6\u30b4\u30ea\uff09\u304c\u306a\u3044\u304b\u3092\u30c1\u30a7\u30c3\u30af\u3057\u3066\u3044\u308b\u3002 \u30fb\u305d\u306e\u969b\u3001\u60f3\u5b9a\u5916\u306e\u30af\u30e9\u30b9\u304c\u7121\u3051\u308c\u3070diff\u304c\u7a7a\u306endarray\u306b\u306a\u308b\u3002if diff: \u306e\u3068\u3053\u308d\u306fndarray\u304c\u7a7a\u306e\u5834\u5408False\u3068\u5224\u5b9a\u3055\u308c\u308b\u3053\u3068\u3092\u5229\u7528\u3057\u3066\u3044\u308b \u30fb\u305d\u306e\u6319\u52d5\u304cDeprecated\u306b\u306a\u3063\u305f\u306e\u3067\u8b66\u544a\u3092\u5410\u3044\u3066\u3044\u308b diff = np.setdiff1d(y, np.arange(len(self.classes_))) if diff: raise ValueError(\"y contains new labels: %s\" % str(diff))\u2026","blog_title":"\u65e5\u3005\u7cbe\u9032","provider_name":"Hatena Blog","type":"rich","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fanton0825.hatenablog.com%2Fentry%2F2016%2F12%2F26%2F000000\" title=\"\u300cDeprecationWarning: The truth value of an empty array is ambiguous. Returning False, but in future this will result in an error. Use `array.size &gt; 0` to check that an array is not empty.\u300d\u30a8\u30e9\u30fc - \u65e5\u3005\u7cbe\u9032\" 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","published":"2016-12-26 00:00:00","provider_url":"https://hatena.blog","author_url":"https://blog.hatena.ne.jp/anton0825/","width":"100%","categories":["AI"],"image_url":null,"blog_url":"https://anton0825.hatenablog.com/","url":"https://anton0825.hatenablog.com/entry/2016/12/26/000000","height":"190","author_name":"anton0825"}