ãã¸ã¹ãã£ãã¯å帰ããã½ããããã¯ã¹é¢æ°ã¨äº¤å·®ã¨ã³ãããã¼ã®ã¾ã§ã®å°åºãç°¡æ½ãã¤åãããããã¡ã¢ã ãã¸ã¹ãã£ãã¯å帰ã®ã¢ãã« 2ã¯ã©ã¹åé¡ã«ç¨ããå帰ã®æ¹æ³ãç¹å¾´\(x\)ãã©ãã«\(0\)ã§ãã確ç\(p_0\)ã¨ã©ãã«\(1\)ã§ãã確ç\(p_1\) \[ \begin{align} p_0&\equiv P(Y=0\;|\;X=x)\\ p_1&\equiv P(Y=1\;|\;X=x) \end{align}\] ã«é¢ãã¦ã2ã¯ã©ã¹åé¡ãªã®ã§\(p_0+p_1=1\)ãæç«ãã¦ããããã®ã¨ã次ã®ã¢ãã«ãèããã \[ \begin{align} \log p_0&\propto\beta^{(0)}_0+x^\top\beta^{(0)}\\ \log p_1&\propto\beta^{(1)}_0+x^\top\beta^{(1)} \end{align}\] ããã¯\(p
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