Code
unite(df)
Condition
Error in `unite()`:
! `col` is absent but must be supplied.
Code
unite(df, "z", x:y, sep = 1)
Condition
Error in `unite()`:
! `sep` must be a single string, not the number 1.
Code
unite(df, "z", x:y, remove = 1)
Condition
Error in `unite()`:
! `remove` must be `TRUE` or `FALSE`, not the number 1.
Code
unite(df, "z", x:y, na.rm = 1)
Condition
Error in `unite()`:
! `na.rm` must be `TRUE` or `FALSE`, not the number 1.
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