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R/samplesize.d.R
In rpsychi: Statistics for psychiatric research
samplesize.d <- function(delta, power=.80, sig.level=.05){
n <- 2*((qnorm(sig.level/2,lower.tail=FALSE)-qnorm(power,lower.tail=FALSE))/
delta)^2+(qnorm(sig.level/2,lower.tail=FALSE)^2)/4
return(ceiling(n))
}
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rpsychi documentation built on May 1, 2019, 10:10 p.m.
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samplesize.d <- function(delta, power=.80, sig.level=.05){
n <- 2*((qnorm(sig.level/2,lower.tail=FALSE)-qnorm(power,lower.tail=FALSE))/
delta)^2+(qnorm(sig.level/2,lower.tail=FALSE)^2)/4
return(ceiling(n))
}
Try the rpsychi package in your browser
Any scripts or data that you put into this service are public.
R Package Documentation
Browse R Packages
We want your feedback!
Note that we can't provide technical support on individual packages. You should contact the package authors for that.
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