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sd(x1)^2 -> sd(g1)^2 ... sd(x2)^2 -> sd(g2)^2 #20

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sd(x1)^2 -> sd(g1)^2 ... sd(x2)^2 -> sd(g2)^2 #20

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@SeitaroSugawara SeitaroSugawara commented Jun 6, 2015

Fixed minor typos.

n1 <- length(g1); n2 <- length(g2)
sp <- sqrt( ((n1 - 1) * sd(x1)^2 + (n2-1) * sd(x2)^2) / (n1 + n2-2))
Error in is.data.frame(x) : object 'x1' not found
sp <- sqrt( ((n1 - 1) * sd(g1)^2 + (n2-1) * sd(g2)^2) / (n1 + n2-2))
sp
[1] 1.898625

SeitaroSugawara added 2 commits June 6, 2015 15:32
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