Hello, Use merge.
Best regards, Carlos J. Gil Bellosta http://www.datanalytics.com On Tue, 2009-01-20 at 13:41 +0000, Dry, Jonathan R wrote: > I am relatively new to R and am trying to do some basic data manipulation. > Basically I have a table (csv - table 1) of data for a set of samples (rows), > and a second table (table 2) of information about a subset of samples of > particular interest. I want to pull out the data from table 1 for the > samples in table 2, either by: > * Merging the two tables based on a common identifier (SampleID - may > have a different header in the two tables), and filter for overlapping > entries (preferred approach) > * OR filter table 1 for entries where SampleID matches to one in a list > taken from table 2 > > Any help would be gratefully recieved. > > -------------------------------------------------------------------------- > AstraZeneca UK Limited is a company incorporated in Engl...{{dropped:21}} > > ______________________________________________ > 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. ______________________________________________ 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.