On Thu, 11 Sep 2014 08:58:54 PM Jim Lemon wrote: Sorry, copying fumble. The last line in the loop should read:
sum(nddf[subject,seq(2,10,by=2)])) Jim ______________________________________________ [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.

