´Ü¾î | ID3 ¾Ë°í¸®Áò |
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ID3 algorithm | |
¼³¸í | ID3(Iterative Dichotomiser 3)´Â °áÁ¤ Æ®¸®(decision tree)¸¦ »ý¼ºÇϴµ¥ »ç¿ëµÇ´Â ¾Ë°í¸®ÁòÀÌ´Ù. ÀÌ ¾Ë°í¸®ÁòÀº Occam¡¯s razor¿¡ ±â¹ÝÇÑ´Ù. ÀÌ´Â ´Ù¸¥ ´õ Å« ¾î¶² °Í º¸´Ù ´õ ÀÛÀº °áÁ¤ Æ®¸®¸¦ ¼±È£ÇÑ´Ù. ±×·¯³ª ¾ðÁ¦³ª ÃÖ¼Ò Æ®¸®¸¦ »ý¼ºÇÏ´Â °ÍÀº ¾Æ´Ï¸ç, ±×·¡¼ ÀÌ°ÍÀº ÈÞ¸®½ºÆ½ÀÌ´Ù. Occam¡¯s razor´Â Á¤º¸ ¿£Æ®·ÎÇÇ(information entropy)ÀÇ °³³äÀ» »ç¿ëÇÏ¿© ÀÏÁ¤ÇÑ Çü½ÄÀ» °®Ãß¾ú´Ù. |
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