Hello together i have a little problem with the combine of two data.frames.
I have 2 data.frames, which look like this one: first dataframe: ID Name 1 Jack 2 John 3 Jill second dataframe ID Days Type 1 3 Training 2 1 Management 3 4 Training At the end i want to create a data.frame like this one (the Type should be the new column and the entry of the column should be the days): ID Name Training Management 1 Jack 3 0 2 John 0 1 3 Jill 4 0 maybe anyone can help me, how i can do this. Thanks a lot. Best regards. Mat -- View this message in context: http://r.789695.n4.nabble.com/create-new-column-to-combine-2-data-frames-tp4674963.html Sent from the R help mailing list archive at Nabble.com. ______________________________________________ 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.
