inst/snippet/moments-binom.R

x <- 0:20
sum( x * dbinom(x,20,0.25) )
sum( x^2 * dbinom(x,20,0.25) )
sum( x^2 * dbinom(x,20,0.25) ) - ( sum( x * dbinom(x,20,0.25) ) )^2

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fastR documentation built on May 1, 2019, 11:18 p.m.