SparseArray¶
-
class
sparse.
SparseArray
(shape, fill_value=None)[source]¶ An abstract base class for all the sparse array classes.
-
dtype
¶ The data type of this array.
Type: numpy.dtype
-
fill_value
¶ The fill value of this array.
Type: scalar
Attributes
SparseArray.density
The ratio of nonzero to all elements in this array. SparseArray.ndim
The number of dimensions of this array. SparseArray.nnz
The number of nonzero elements in this array. SparseArray.size
The number of all elements (including zeros) in this array. Methods
SparseArray.asformat
(format)Convert this sparse array to a given format. SparseArray.todense
()Convert this SparseArray
array to a densenumpy.ndarray
.-