R/weighted.var.R
In experiment: R Package for Designing and Analyzing Randomized Experiments

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### weighted variance formula
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weighted.var <- function(x, w) 
  return(sum(w * (x - weighted.mean(x,w))^2)/((length(x)-1)*mean(w)))

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experiment documentation built on April 13, 2022, 1:06 a.m.

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