lenskit.data.matrix.CSRStructure
================================

.. py:class:: lenskit.data.matrix.CSRStructure
   

   Bases: :py:obj:`NamedTuple`


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

   :Stability: Caller


   .. py:attribute:: rowptrs
      :type:  numpy.ndarray


   .. py:attribute:: colinds
      :type:  numpy.ndarray


   .. py:attribute:: shape
      :type:  tuple[int, int]


   .. py:property:: nrows


   .. py:property:: ncols


   .. py:property:: nnz


   .. py:property:: row_nnzs
      :type: lenskit.data.types.NPVector[numpy.int32]


      Array of row sizes (number of nonzeros in each row).


   .. py:method:: extent(row)


   .. py:method:: row_cs(row)