Excuse me Carl Withoft! For your information, this is not my homework. I'm just helping my friend in "a part" of her R code.
And everytime I ask a question here, it's just a "SMALL PART" of the 2-pages-program that I am doing. And for your information, the answers that I get, I still think on how to make use of them. It does not mean that when I get answers, I use them immediately without thinking! And you have no right to tell me that coz I don't remember you answering any of my questions. IF YOU DON'T KNOW THE ANSWERS TO MY QUESTIONS, just keep quiet, and let the smart guys share their thoughts. ______________________________________________ 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.
