numeric_to_factor: Convert numeric vectors into factors associated value labels
Description
This function converts numeric variables into factors,
and uses associated value labels as factor levels.
Usage
numeric_to_factor(x, n = 4)
Value
x, with numeric values with a maximum of n unique values
being converted to factors.
Arguments
x
A data frame.
n
Numeric, indicating the maximum amount of unique values in x
to be considered as "factor". Variables with more unique values than n
are not converted to factor.
Details
If x is a labelled vector, associated value labels will be used
as level. Else, the numeric vector is simply coerced using as.factor().