Hello everyone, i found that both of the 2 functions ("expand.grid" and "data.frame") can be used to produce data frame. are there any difference between them?
thanks for your help! zhaoran [[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.