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å½ãã 7.2 ç« ã®è³æã§ãã ãã¤ãã¤ãã¤ãè³æãä½ãè¾¼ãã§ãã¾ã£ã¦ããã©ãä»åã¯å¿µé¡ã®ãè³æã¯ã¢ã¸ã§ã³ãï¼çåç¹ã®ã¾ã¨ãããæ¿æ¸ã¡ã¤ã³ãã«ãªãäºå®ã 7.2 é¢é£ãã¯ãã«ãã·ã³ SVM(support vector machine) 㨠RVM(relevace vector machine) ã®å¯¾æ¯ SVM RVM ç ãã£ã¨ç ï¼å¤ 確ç åæ£å®å¤ æ£å®å¤æ§ä¸è¦ å¸ éå¸ O(N^2) O(N^3) 交差æ¤å®ã¨ã ARD ãµãã¼ããã¯ãã«ï¼ãã¼ã¸ã³å¢çä¸ é¢é£ãã¯ãã«ï¼å¢çããé¢ããä½ç½®ã«ã 7.2.1 å帰åé¡ã«å¯¾ããRVM ãï¼ç« ã®å¾©ç¿ããã¤ãºã®æ çµã¿ã§ã®ç·å½¢å帰 1. ã¢ãã«(æ¡ä»¶ä»ã確ç) p(y|x,w,β) = N(y|w^T Ï(x), β^-1) 2. äºå確ç p(w|α) = N(w|0, α^-1) 3.
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