Hi Rashimba,Mate, do you really think that we are going to do your examination for you? I haven't seen anything that rich since a student handed in a paper with the reference list photocopied from someone else's paper.
Jim ______________________________________________ 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.