On Wed, 11 Mar 2009, Marie Vandresse wrote:
*How can I do a t-test with survey data?*
The 'survey' package does analysis of survey data. There isn't a t-test function; the easiest way to test for differences in means is with a linear regression model, using svyglm() -thomas Thomas Lumley Assoc. Professor, Biostatistics tlum...@u.washington.edu University of Washington, Seattle ______________________________________________ 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.