pandas.api.types.is_sparse — pandas 2.3.0 documentation (original) (raw)

pandas.api.types.is_sparse(arr)[source]#

Check whether an array-like is a 1-D pandas sparse array.

Deprecated since version 2.1.0: Use isinstance(dtype, pd.SparseDtype) instead.

Check that the one-dimensional array-like is a pandas sparse array. Returns True if it is a pandas sparse array, not another type of sparse array.

Parameters:

arrarray-like

Array-like to check.

Returns:

bool

Whether or not the array-like is a pandas sparse array.

Examples

Returns True if the parameter is a 1-D pandas sparse array.

from pandas.api.types import is_sparse is_sparse(pd.arrays.SparseArray([0, 0, 1, 0])) True is_sparse(pd.Series(pd.arrays.SparseArray([0, 0, 1, 0]))) True

Returns False if the parameter is not sparse.

is_sparse(np.array([0, 0, 1, 0])) False is_sparse(pd.Series([0, 1, 0, 0])) False

Returns False if the parameter is not a pandas sparse array.

from scipy.sparse import bsr_matrix is_sparse(bsr_matrix([0, 1, 0, 0])) False

Returns False if the parameter has more than one dimension.