Unite multiple columns into one by pasting strings together
Convenience function to paste together multiple columns into one.
unite(data, col, ..., sep = "_", remove = TRUE, na.rm = FALSE)
data |
A data frame. |
col |
The name of the new column, as a string or symbol. This argument is passed by expression and supports
quasiquotation (you can unquote strings
and symbols). The name is captured from the expression with
|
... |
< |
sep |
Separator to use between values. |
remove |
If |
na.rm |
If |
separate()
, the complement.
df <- expand_grid(x = c("a", NA), y = c("b", NA)) df df %>% unite("z", x:y, remove = FALSE) # To remove missing values: df %>% unite("z", x:y, na.rm = TRUE, remove = FALSE) # Separate is almost the complement of unite df %>% unite("xy", x:y) %>% separate(xy, c("x", "y")) # (but note `x` and `y` contain now "NA" not NA)
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