Thank you and apologies--I did not make it clear that there are no NAs mixed in with the valid values. Rather, they all occur consecutively, either toward the beginning of end of the column. Jim
> I didn't know what you wanted to do if there were NA's > in the middle of a column. > > Bill Dunlap > Spotfire, TIBCO Software > wdunlap tibco.com > > > > > > > Any ideas? > > Thanks > > > > > > Jim Bouldin, PhD > > Research Ecologist > > Department of Plant Sciences, UC Davis > > Davis CA, 95616 > > 530-554-1740 > > > > ______________________________________________ > > 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. > > > Jim Bouldin, PhD Research Ecologist Department of Plant Sciences, UC Davis Davis CA, 95616 530-554-1740 ______________________________________________ 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.
