Re: [R] manova: R vs SAS...need some clarification

2008-08-12 Thread Prof Brian Ripley
Please see the footer of this message: we need to know what you did. Also, SAS may have made some assumptions for you without telling you (for example used a numerically ill-conditioned covariance matrix), and we don't know what you did in SAS, either. On Tue, 12 Aug 2008, Pedro Mardones wrot

[R] manova: R vs SAS...need some clarification

2008-08-12 Thread Pedro Mardones
Dear all; working with a 'fat' data set (700 variables / 50 samples) and trying to run a manova test on it (I'm aware that it's not the best option for this kind of data set) I got the error in the summary.manova function about the rank of the residuals (rank < # variables). Ok. The thing that I do