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