Hi there, Sorry for the repeated msgs. I set my option to "receive my own email", but it didn't seem to work. So, I didn't realize my previous posts actually got through.
Le - ~~~~~~~~~~~~~~~~~~~~~~~ Le Wang, Ph.D Population Center University of Minnesota ______________________________________________ [email protected] 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.
