?complete.cases On 10/28/06, Tong Wang <[EMAIL PROTECTED]> wrote: > > Hi, > I have a data set (data frame) describing some features of the > students in a high school in the following format: > > Stu ID Year feature 1 feature 2 ............. > 1001 1990 > 1001 1991 > 1001 1992 > 1002 1990 > 1002 1991 > 1002 1992 > > > Some features of a few of these students are missing, I would like to > ignore those students in my analysis, but > I really can' t figure out a neat way to do this in R. I need to remove > all the info. of a student (indicated by ID no.) if there > are NA's in his/her features. > > Could someone give me a quick tutorial on this ? > > I would really appreciate. > > best > > ______________________________________________ > R-help@stat.math.ethz.ch 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 Holtman Cincinnati, OH +1 513 646 9390 What is the problem you are trying to solve? [[alternative HTML version deleted]] ______________________________________________ R-help@stat.math.ethz.ch 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.