On Feb 12, 2013, at 5:10 AM, Mat wrote: > hello togehter, > > how can i match a complete data.frame to another one? > > I know i can match one column with that code: > > A<-match(data$PJ_ID,project$PROJ_ID) > data$Name<-proj$Name[A]
How about: data <- data[ match(data$PJ_ID,project$PROJ_ID) , ] (Untested in the absence of data ... or 'data'. > but how can i match the total data.frame from project to data? > indivduel matching for each column is not very productive.... > -- David Winsemius Alameda, CA, USA ______________________________________________ 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.
