search for: wesvar

I saw an ad in the July 2001 Amstat News for a complex sample survey analysis package called Wesvar. The package has what appears to be a useful feature called a "Workbook" by which the user navigates analysis output. This is a hierarchical tree in which the user may click on a part of the analysis (table, regression fit, descriptive stats, etc.) so as to go directly to that output....

Hi, Where can I find information ( freely available on the Internet , and also books or other sources ) on how having sampling weights changes the calculation of the standard error (of means and proportions)? How good is R for this type of procedure? And SAS? thanks Robert [[alternative HTML version deleted]]