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Join two data.tables together
right_join.(x, y, by = NULL, suffix = c(".x", ".y"), ..., keep = FALSE)A data.frame or data.table
A data.frame or data.table
A character vector of variables to join by. If NULL, the default, the join will do a natural join, using all variables with common names across the two tables.
Append created for duplicated column names when using full_join()
Other parameters passed on to methods
Should the join keys from both x and y be preserved in the output?
df1 <- data.table(x = c("a", "a", "b", "c"), y = 1:4)
df2 <- data.table(x = c("a", "b"), z = 5:6)
df1 %>% left_join(df2)
df1 %>% inner_join(df2)
df1 %>% right_join(df2)
df1 %>% full_join(df2)
df1 %>% anti_join(df2)
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