Calculates mutual information between all pairs of columns in the DataTable
that support mutual information. Logical Types that support mutual information are
as follows: Boolean, Categorical, CountryCode, Double, Integer, Ordinal, SubRegionCode,
WholeNumber, and ZIPCode
num_bins (int) – Determines number of bins to use for converting
numeric features into categorical.
nrows (int) – The number of rows to sample for when determining mutual info.
If specified, samples the desired number of rows from the data.
Defaults to using all rows.
A Dataframe containing mutual information with columns column_1,
column_2, and mutual_info. Mutual information values are between 0 (no mutual information)
and 1 (perfect correlation)