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pandas.Series.sparse.density

Series.sparse.density

The percent of non- fill_value points, as decimal.

Examples

>>> s = SparseArray([0, 0, 1, 1, 1], fill_value=0)
>>> s.density
0.6

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https://pandas.pydata.org/pandas-docs/version/0.25.0/reference/api/pandas.Series.sparse.density.html