[R] Calculating critical values

From: Adam D. I. Kramer <adik-rhelp_at_ilovebacon.org>
Date: Sat 26 Aug 2006 - 02:18:53 EST


         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

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