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2 ろ覿 #譯殊襯 6 語
> #讌螻磯逢覯 > k = (factorial(6)/(factorial(1)*factorial(2)*factorial(3))) > k * (1/6)^1 * (2/6)^2 * (3/6)^3 [1] 0.1388889 > #dmultinom() 伎 > dmultinom(c(1,2,3), prob=c(1/6, 2/6, 3/6)) [1] 0.1388889 > 企 螻殊殊 , 譴, , 覿蟆 4譬襯襦 覿襯.
> #讌螻磯逢覯 > n <- factorial(20) > x1 <- factorial(5) > x2 <- factorial(8) > x3 <- factorial(4) > x4 <- factorial(3) > p1 <- 0.25^5 > p2 <- 0.40^8 > p3 <- 0.25^4 > p4 <- 0.10^3 > (n / (x1*x2*x3*x4)) * (p1*p2*p3*p4) #蟯碁ゼ 讌 l伎 . [1] 0.008729721 > #dmultinom() 伎 > dmultinom(c(5,8,4,3), prob=c(0.25, 0.40, 0.25, 0.10)) [1] 0.008729721 > 4 螳 譯殊襯 襴曙朱 讌 , 1 2螳, 2 1螳 襯 (狩覿)
> p <- factorial(4) / (factorial(2)*factorial(1)*factorial(1))* (1/6)^2 * (1/6)^1 * (1/3)^1 > p * 2 [1] 0.03703704
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覓伎瑚 螻 苦 覦覯 谿場願 覓願 蠍 蟲れ 谿場碁. (朱 ) |