Adam D. I. Kramer wrote: > Hello, > > 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?
?qt qt(p=.05, df=100) [1] -1.66023 > Thanks, > Adam Kramer > > ______________________________________________ > R-help@stat.math.ethz.ch mailing list > https://stat.ethz.ch/mailman/listinfo/r-help > 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. NDRI, Inc. 71 West 23rd Street, 8th floor New York, NY 10010 tel: (212) 845-4495 (Tu, Th) tel: (732) 512-0171 (M, W, F) fax: (917) 438-0894 ______________________________________________ R-help@stat.math.ethz.ch mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.