assert_valid_var_pair: Check variables are of same levels
Description
Check variables are of same levels
Usage
assert_valid_var_pair(
df1,
df2,
var,
lab1 = deparse(substitute(df1)),
lab2 = deparse(substitute(df2))
)
Value
invisible NULL
or an error message if the criteria are not fulfilled.
Arguments
- df1
(data.frame
) input.
- df2
(data.frame
) input.
- var
(string
) variable to check.
- lab1
(string
) label hint for df1
.
- lab2
(string
) label hint for df2
.