Re: [R] question about contrast in R for multi-factor linear regression models?

2008-11-10 Thread Mark Difford
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. -- View this message in context: http://www.nabble.com/question-about-contrast-in-R-for-multi-factor

Re: [R] question about contrast in R for multi-factor linear regression models?

2008-11-10 Thread Michael
/question-about-contrast-in-R-for-multi-factor-linear-regression-models--tp20413510p20416877.html Sent from the R help mailing list archive at Nabble.com. __ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read

Re: [R] question about contrast in R for multi-factor linear regression models?

2008-11-10 Thread Mark Difford
in context: http://www.nabble.com/question-about-contrast-in-R-for-multi-factor-linear-regression-models--tp20413510p20416877.html Sent from the R help mailing list archive at Nabble.com. __ R-help@r-project.org mailing list https://stat.ethz.ch

[R] question about contrast in R for multi-factor linear regression models?

2008-11-09 Thread Michael
Hi all, I am using lm to fit some anova factor models with interactions. The default setting for my unordered factors is treatment. I understand the resultant lm coefficients for one factors, but when it comes to the interaction term, I got confused. options()$contrasts unordered