View source: R/assert_many2one.R
assert_many2one | R Documentation |
assert_many2one
checks whether there is a many-to-one map between
two columns x
and y
of a data frame .data
, raising an
error if not and returning .data
otherwise.
assert_one2one
checks for a one-to-one map.
Both functions are intended for use in pipes.
assert_many2one(.data, x, y, na.rm = T)
assert_one2one(.data, x, y, na.rm = T)
.data |
A data frame or tibble. |
x , y |
Columns intended to share a many-to-one or one-to-one map. |
na.rm |
Should NA values be ignored? Default is TRUE. |
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