Check out the meta and rmeta packages. On Sun, Apr 27, 2008 at 8:45 PM, David Scott <[EMAIL PROTECTED]> wrote: > > I have been given some data in summary form, as means and standard > deviations for a number of studies. I want to combine some studies to > obtain overall means and standard deviations and also to carry out > t-tests. > > Obviously I can write code to do this but most likely someone has doone > this already. Can anyone provide a pointer to such code? > > David Scott > > > _________________________________________________________________ > David Scott Department of Statistics, Tamaki Campus > The University of Auckland, PB 92019 > Auckland 1142, NEW ZEALAND > Phone: +64 9 373 7599 ext 86830 Fax: +64 9 373 7000 > Email: [EMAIL PROTECTED] > > Graduate Officer, Department of Statistics > Director of Consulting, Department of Statistics > > ______________________________________________ > 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. >
______________________________________________ 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.