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I am using stepAIC for stepwise regression modeling. Is there a way to change the entry and exit alpha levels for the stepwise regression using stepAIC ? Many thanks, Berthold Berthold Stegemann Bakken Research Center Maastricht The Netherlands [[alternative HTML version deleted]]

...umstance when performing the Choleski decomposition. A workaround is to dither the grid coordinates using (x <- rnorm(length(x)) ; y<- rnowm(length(y))). Question: Is this an expected behaviour of the surf.gls function ? Regards, Berthold --------------------------------- Dr. Berthold Stegemann Senior Scientist Bakken Research Center Heart Failure Management Endepolsdomein 5 6229 GW Maastricht The Netherlands Office: +31.43.3566.613 Mobile: +31.6.5335.1669 Fax: +31.43.3566.509

Hello, I am using the maps library for plotting maps. To build new geograhical sets such as Europe I use europe = c('Germany','Netherlands',...) Is there a list of county codes used by the map function. Thanks, Berthold -- Berthold Stegemann Brunssumstrasse 21a 52074 Aachen Germany Tel: +49 241 401 8909 Mobile: +31 6 2041 4824

Grischa Stegemann <grix7-usenet@yahoo.de> wrote: > I have a multiuser environment with lots of users. Some of them are supposed to > use a program running with wine. The problem is how to make the users in > question use a global "drive_c" directory without giving them write permissions >...

Hi, is there a possibility using the step() function together with a glm() model, to force keeping some of the covariates in the model ?? and not having them dropped ?? Thanks, Berthold -.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.- r-help mailing list -- Read http://www.ci.tuwien.ac.at/~hornik/R/R-FAQ.html Send "info", "help", or