pandas.DataFrame.sparse.from_spmatrix

classmethodDataFrame.sparse.from_spmatrix(data, index=None, columns=None)[source]

Create a new DataFrame from a scipy sparse matrix.

Parameters:

data:scipy.sparse.spmatrix

Must be convertible to csc format.

index, columns:Index, optional

Row and column labels to use for the resulting DataFrame. Defaults to a RangeIndex.

Returns:

DataFrame

Each column of the DataFrame is stored as a arrays.SparseArray.

Examples

>>> import scipy.sparse
>>> mat = scipy.sparse.eye(3, dtype=float)
>>> pd.DataFrame.sparse.from_spmatrix(mat)
     0    1    2
0  1.0    0    0
1    0  1.0    0
2    0    0  1.0