[R] copy values from one dataframes into another

D Sonderegger derek.sonderegger at gmail.com
Wed Feb 23 23:59:24 CET 2011


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.
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