Nothing
galtonskew<-function(x){
#
# Compute Galton's skewness measure for x
# NOTE: this procedure assumes no x values are missing
#
quarts <- as.numeric(quantile(x, probs = c(0.25, 0.5, 0.75)))
num <- quarts[1] + quarts[3] - 2*quarts[2]
denom <- quarts[3] - quarts[1]
gskew <- num/denom
gskew
}
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