Naive  Bayesian  Classification

 

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Wikipedia : Naive Bayesian Classification : Naive Bayesian classification (Àϸí Idiot's Bayes, idiot ´Â '¸ÛûÀÌ'¶ó´Â ÀǹÌ) Àº ´Ü¼øÇÑ È®·üÀû ºÐ·ù¹ý (simple probabilistic classification) ÀÌ´Ù. Àǹ̿¡ µû¸¥ È®·ü¸ðµ¨·Î¼­ÀÇ ´õ Á¤È®ÇÑ ¹¦»ç´Â independent feature model ÀÌ´Ù. Naive Bayes ¶ó´Â ¿ë¾î´Â ±× È®·ü¸ðµ¨ÀÌ º£ÀÌÁî Á¤¸® (Bayes' Theorem)¸¦ »ç¿ëÇÏ¿© À¯µµµÉ ¼ö ÀÖ°í, ½ÇÁ¦·Î´Â »ý±æ ¼ö ¾ø´Â °­ÇÑ µ¶¸³ °¡Á¤ (strong independences assumption) ¸¦ Æ÷ÇÔÇÑ´Ù´Â »ç½Ç·ÎºÎÅÍ, (ÀǵµÀûÀ¸·Î) naive (¼øÁøÇÑ, °íÁö½ÄÇÑ) ¶ó´Â ¸»À» »ç¿ëÇÏ¿´´Ù. È®·ü¸ðµ¨ÀÇ Á¤¹Ð¼º ¶§¹®¿¡, naive Bayes classifier ´Â ÁöµµÇнÀ (Supervised Learning) setting ¿¡ ¾ÆÁÖ È¿À²ÀûÀ¸·Î ÈÆ·ÃµÉ ¼ö ÀÖ´Ù. ¸¹Àº ½ÇÁ¦ÀÇ ÀÀ¿ë¿¡¼­´Â, naive Bayes models¸¦ À§ÇÑ Àμö ÃßÁ¤ (parameter estimation) Àº ÃÖ´ë ¿ìµµ (Likelihood) ¹ýÀ» »ç¿ëÇÑ´Ù ; ´Þ¸®¸»Çϸé, Bayesian probability ³ª ´Ù¸¥ Bayesian methods¸¦ »ç¿ëÇÏÁö ¾Ê°íµµ naive Bayes model ·Î¼­ ÀÛ¾÷ÇÒ ¼ö ÀÖ´Ù. .....

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Çà·ÄÀüÄ¡¸¦ ÀÌ¿ëÇÑ È¿À²ÀûÀÎ NaiveBayes ¾Ë°í¸®Áò (An Efficient Algorithm for NaiveBayes with Matrix Transposition) : ÀÌÀç¹®, Çѱ¹Á¤º¸Ã³¸®ÇÐȸ B 11±Ç 1È£, 2004