check_attr | R Documentation |
Useful in mutate_if to be used with mutate_label
check_attr(x)
x |
Vector |
TRUE or FALSE
df <- data.frame(cars = 1:3) attr(df$cars, "map") <- data.frame(levels = 1:3, labels = c("Volvo", "Saab", "Opel")) check_attr(df$cars)
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