Tony zeng <xh.along <at> gmail.com> writes:
> I am meetting one problem.I am estimating the variability of a > population using one sample.I must do two-side and one-side hypothesis > test,and estimate the confidence interval,But I don't know which > function I can use ! You should describe your problem a bit more clearly, best by giving a sample set, and how the result should look like. With a bit of guesswork, the following might come close to what you want : t.test(rnorm(100,0.21)) rnorm() generates the test vector, put your data there instead. Dieter ______________________________________________ R-help@r-project.org 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.
