actually the other way around: x<-subset(largematrix, largematrix$rownames %in% rownames$names )
On 7/28/06, jim holtman <[EMAIL PROTECTED]> wrote: > > try: > > x<-subset(largematrix, rownames$names %in% largematrix$rownames) > > > > On 7/28/06, Wade Wall <[EMAIL PROTECTED]> wrote: > > > > Hi all, > > > > I have a dataframe of rownames that I would like to extract from a > > larger matrix to form a new matrix. I have tried to use subset, in > > this manner > > > > x<-subset(largematrix, rownames$names=largematrix$rownames) > > > > where largematrix is the larger matrix and rownames$names is the > > dataframe with the row names of the rows I want to extract from the > > larger matrix. > > > > Of course, I get error messages. Any suggestions how I should proceed? > > > > Thanks > > > > Wade > > > > ______________________________________________ > > 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<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? > -- 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.
