This is a
explainer method for factor vector.
a numeric (or integer) data type
a placeholder for variable name
other parameters required
This method removes all the missing values in
x before computing the
summaries. This calls the method
Prints the following information on console:
number of distinct values
number of missing values
a frequency table and histogram. If counts of all the factor levels are
less than half of length of
X, then the histogram is scaled with
maximum of 50
1 2 3
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