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steveharoz/standard error.R

Last active November 26, 2015 10:52
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Standard Error for R
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standard error.R
# r doesn't have a standard error function
stderr = function(x) sqrt(var(x,na.rm=TRUE)/length(na.omit(x)))
ci = function(x, confidence.interval=0.95) stderr(x) * qnorm(1 - (1-confidence.interval)/2)
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