[R] Calculating critical values
ccleland at optonline.net
Fri Aug 25 18:29:22 CEST 2006
Adam D. I. Kramer wrote:
> I have an HLM-like situation: a data frame with rows representing
> individuals, and columns representing some statistics for the individual
> (e.g., a mean and variance for that individual, plus the number of
> observations for that person).
> I'm interested in computing a confidence interval around each
> individual's mean, but to do that, I would need to know the critical t-value
> for each individual.
> Ergo, is there any sort of function that returns a critical t-value
> for a given p/alpha and df?
> Adam Kramer
> R-help at stat.math.ethz.ch mailing list
> PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
> and provide commented, minimal, self-contained, reproducible code.
Chuck Cleland, Ph.D.
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