R/w.sd.R
In Weighted.Desc.Stat: Weighted Descriptive Statistics

w.sd <-
function(x, mu)  ( (sum(mu*x*x)/sum(mu)) - w.mean(x,mu)^2 )^.5

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Weighted.Desc.Stat documentation built on May 1, 2019, 7:06 p.m.

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