lenskit.data.CSRStructure

class lenskit.data.CSRStructure(rowptrs, colinds, shape)

Bases: NamedTuple

Representation of the compressed sparse row structure of a sparse matrix, without any data values.

Stability:

Caller (see Stability Levels).

Parameters:

• rowptrs (ndarray)

• colinds (ndarray)

• shape (tuple[int, int])

__init__()

Methods

__init__()
count(value, /)	Return number of occurrences of value.
extent(row)
index(value[, start, stop])	Return first index of value.
row_cs(row)

Attributes

colinds	Alias for field number 1
ncols
nnz
nrows
rowptrs	Alias for field number 0
shape	Alias for field number 2

rowptrs: ndarray

Alias for field number 0

colinds: ndarray

Alias for field number 1

shape: tuple[int, int]

Alias for field number 2