Uwe Ligges <ligges <at> statistik.uni-dortmund.de> writes: > Well, you say it should be a factor, hence " " is taken as a level.
And why not " " a level. Thanks for drawing my attention to it. It is common mistake that is easy to slip attention. Thanks a lot. Anupam. ______________________________________________ R-help@stat.math.ethz.ch 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.
