"I want to select the array columns that are not equal to 10." is ambiguous to me.
Just to clarify, do you want to simply drop the column named array10 or do you want to check each column for having one/all 10's as values and drop based on that test? Michael On Mon, Aug 22, 2011 at 12:35 PM, Changbin Du <changb...@gmail.com> wrote: > Dear R community, > > I have a data set like the following: > > probe_name chr_id position array1 array2 array3 array4 array5 array6 > array7 > 1 C-3AAAA 10 16566949 10 10 10 10 10 10 > 10 > 2 C-3AAAB 17 33478940 10 10 10 10 10 10 > 10 > 3 C-3AAAC 3 187369224 10 10 2 10 10 1 > 10 > 4 C-3AAAD 8 28375041 10 10 10 10 10 10 > 10 > 5 C-3AAAG 13 99134921 10 10 10 10 10 10 > 10 > 6 C-3AAAH 16 31565412 10 10 10 10 10 10 > 10 > array8 array9 array10 array11 array12 array13 array14 array15 > 1 10 10 10 10 10 10 10 10 > 2 10 10 10 10 10 10 10 10 > 3 10 10 10 10 10 10 10 10 > 4 10 10 10 10 10 10 10 10 > 5 10 10 10 10 10 1 10 10 > 6 10 10 10 0 10 10 10 10 > > I want to select the array columns that are not equal to 10. > > I tried the following codes: > > head(reduce.final<-final[which(final$array*!=10), ]) # it does not wok, > do any one have a smart to do this? > > Thanks so much! > > > -- > Sincerely, > Changbin > -- > > [[alternative HTML version deleted]] > > ______________________________________________ > 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. > [[alternative HTML version deleted]] ______________________________________________ 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.
