R: rename subset of variables in data frame

Question

I\'m renaming the majority of the variables in a data frame and I\'m not really impressed with my method.

Therefore, does anyone on SO have a smarter or faster way t

Answer 1

names(df)[match(
                c('old_var1','old_var2'),
                names(df)
               )]=c('new_var1', 'new_var2')