pandas.DataFrame.to_sparse
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DataFrame.to_sparse(fill_value=None, kind='block')[source] -
Convert to SparseDataFrame
Parameters: -
fill_value : float, default NaN -
kind : {‘block’, ‘integer’}
Returns: -
y : SparseDataFrame
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Licensed under the 3-clause BSD License.
https://pandas.pydata.org/pandas-docs/version/0.23.4/generated/pandas.DataFrame.to_sparse.html