Hi,
I have found a strange thing. If I copy and paste the R source file, then the result is okay with. However, if I use R GUI (File icon and Source File), then the result is different. Please let me know possible reasons. Many thanks in advance. Best Ja-Yong [[alternative HTML version deleted]] ______________________________________________ [EMAIL PROTECTED] mailing list https://www.stat.math.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide! http://www.R-project.org/posting-guide.html