ã©ã³ãã ãã©ã¬ã¹ãã¨æ±ºå®æ¨å¦ç¿ ã©ã³ãã ãã©ã¬ã¹ããç解ããããã«ã¯ã決å®æ¨å¦ç¿ã®ææ³ã«ã¤ãã¦ç解ããå¿ è¦ãããã¾ããã¾ãæåã«æ±ºå®æ¨å¦ç¿ã®çè«ã«ã¤ãã¦èª¬æãã¾ãã 決å®æ¨å¦ç¿ 決å®æ¨ã¯è¦ªããé ã«æ¡ä»¶åå²ã辿ã£ã¦ãããã¨ã§ãçµæãå¾ãææ³ã§ããä¸ã¯æ±ºå®æ¨ã®ã¤ã¡ã¼ã¸ã§ãã 決å®æ¨å¦ç¿ã¨ã¯ãã¼ã¿ã®å¿ãã¦ä¸ã®å³ã®ãããªæ±ºå®æ¨ãæ§æããåé¡ãè¡ãæ©æ¢°å¦ç¿ã®ææ³ã®ãã¨ãæãã¾ãã 決å®æ¨å¦ç¿ã¯ããã¼ã¿ã®ç¨®é¡ã«å¿ãã¦æ±ºå®æ¨ãæé·ããã¦ããã¾ãã 決å®æ¨ã®åé¡æ¡ä»¶ã¯ããã¼ã¿ãåé¡ããã¨ãã®æ å ±å©å¾IG(Infomation Gain)ãæ大ã«ãªãããã«ãããã¨ã§ããæ å ±å©å¾ã¯å¼(1)ã§è¡¨ããã¾ãã ã¯è¦ªã®ãã¼ã¿ãã¯ãã¼ããã¯æ³¨ç®ãã¦ãããã¼ã¿ã表ãã¾ãã ã¯æ¨ãåå²ãããã¼ãæ°ã§ããä¸è¬çã«æ±ºå®æ¨ã¯äºåæ¨ã¨ãã¦å®è£ ãããã®ã§ãã»ã¨ãã©ã®å ´åã¯ã¨ãªãã¾ãã ã¯ä¸ç´åº¦ã¨ããææ¨ã§ãå«ã¾ãããã¼ã¿ã«åãããã
{{#tags}}- {{label}}
{{/tags}}