ããã¿ã¼ã³èªèã¨æ©æ¢°å¦ç¿(PRML)ã10.2 ç« ã«å¾ã£ã¦å¤åãã¤ãº(Variational Bayes, VB)ã R ã§å®è£ ãã¦ã¿ã¦ãPRML ã«æ¸ãã¦ããå 容éãã確èªãã¦ã¿ãã¨ããããªããéãã ããå¤åæ··åã¬ã¦ã¹åå¸ã¯ãä½ã£ãæ··åè¦ç´ ã¯åæã«ã¼ãã«ãªããã K ã大ããã¦ãããããã¨ãæ¸ãã¦ãããã©å ¨ç¶ç¸®éããªããããã¤ãºè·äººã§ãªãã¨ãã¾ããããªãããããã ãåæå¤ã«ã¤ãã¦ã対称æ§ãããé常 m_0=0 ã¨ãããã¨æ¸ãã¦ãããã©ãã»ãã¨ã« m_0=0 ã«ããããå ¨ãã©ã¡ã¼ã¿ã k ã«å¯¾ãã¦åãå¤ã«ãªã£ã¡ãããã ã¨è¨ããµããã¦ããããã¹ã¯ãªããã®ãã°ã ã£ãã ã®ã§ãç½ªæ» ã¼ãã«ã¾ããã«ããã¡ãã£ã¨ããããæ¤è¨¼ãã¦ã¿ãããã¨ããã話ã çµç·¯ å¤åãã¤ãºå®è£ (PRML 10.2) https://shuyo.hatenablog.com/entry/20100306/variatio
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