Re: [R] Standard errors of least squares adjusted means

2009-01-22 Thread John Fox
age- > From: r-help-boun...@r-project.org [mailto:r-help-boun...@r-project.org] On > Behalf Of Bruno Estigarribia > Sent: January-22-09 12:32 AM > To: r-help@r-project.org > Subject: [R] Standard errors of least squares adjusted means > > Hello, > > I have the following model

Re: [R] Standard errors of least squares adjusted means

2009-01-22 Thread Mark Difford
Hi Bruno, Apropos of "ls-means" ... >> I have tried help.search and RSiteSearch with several terms including >> "standard errors", "least square means", "adjusted means". And "ls-means," which is what "you" call them? There are many threads on this, spanning many years. The following, RSiteSe

[R] Standard errors of least squares adjusted means

2009-01-21 Thread Bruno Estigarribia
Hello, I have the following model: lm.7 <- lm(Y ~ F + C1 + C2 , data = EM4) F is a 4-level factor, the rest are covariates centered at their mean (Y is a two-column matrix). I have tried to find functions to give the model-adjusted means (adjusted at the covariates'means) and their standard dev