What you want to do is create a new dataframe that includes all the years.
> newdata <- data.frame( Year=1981:1988 ) > merge(fire, newdata, all=TRUE) If you don't include the all=TRUE, then you only get the rows that are contained in both datasets. -- View this message in context: http://r.789695.n4.nabble.com/copy-values-from-one-dataframes-into-another-tp3321805p3321849.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.
