From: Liaw, Andy [mailto:[EMAIL PROTECTED] > From: Gorjanc Gregor
> ! Yes, I was not able to do it from my data. But bellow is one. It is > ! a stupid one, but it works. The problem is use of as.data.frame in > ! tmp1$L <- as.data.frame(tmp$L). This looks like to produce > a corrupted > ! data.frame. If I use just tmp1$L <- tmp$L, write.table and > ! as.matrix.data.frame works OK. I still think that mine proposal can > ! give benefit, since it works also on corrupted data frames. > > data(warpbreaks) > tmp <- as.data.frame(tapply(breaks, list(wool, tension), mean)) > tmp1 <- data.frame(level=rownames(tmp)) > tmp1$L <- as.data.frame(tmp$L) Here's the problem that Brian is referring to: Why do you make one variable in the data frame a data frame? That's what caused problem in write.table()! ! I agree completely and as I have described up it is my fault that ! I have/had problems with as.matrix.data.frame by use of write.table. ! But I think that my proposal is nice, since as.matrix.data.frame would ! be more robust. ! With regards, Gregor ______________________________________________ R-devel@stat.math.ethz.ch mailing list https://stat.ethz.ch/mailman/listinfo/r-devel