Hi, What functions should I use in order to perform the following steps:
1) Load a particular column (e.g., column 5) from a csv file 2) Append the column 5 to another csv file 3) select those rows that match specific keywords in column 5 [[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.