What is the difference when including or not including the intercept when using lm()?
x.noint <- lm(weight ~ group - 1))# omitting intercept x <- lm(weight ~ group)) This has nothing to do with forcing the intercept to 0, correct? Thank you kindly, Michael [[alternative HTML version deleted]] ______________________________________________ R-help@r-project.org mailing list 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.