Combine two data frames by rows (rbind) when they have different sets of columns

Question

I want to bind two data frames with different set of columns and  I also want to retain all the columns that fails to match after the bind, How can I do that in R?

Answer 1

Install plyr package if you don't have it, and then use rbind.fill :

df4 <- rbind(df2, df3[, names(df2)])

If columns in df1 is a subset of those in df2 (by the names of column

For any help regarding installation of plyr package click here.

Cheers....!!