join.keys {plyr} | R Documentation |
Join keys. Given two data frames, create a unique key for each row.
Description
Join keys. Given two data frames, create a unique key for each row.
Usage
join.keys(x, y, by)
Arguments
x |
data frame |
y |
data frame |
by |
character vector of variable names to join by |
[Package plyr version 1.8.9 Index]