lenskit.data.schema.AttrLayout
==============================

.. py:class:: lenskit.data.schema.AttrLayout
   

   Bases: :py:obj:`enum.Enum`


   Possible layouts for entity attributes.


   .. py:attribute:: SCALAR
      :value: 'scalar'


      Scalar (non-list, non-vector) attribute value.


   .. py:attribute:: LIST
      :value: 'list'


      Homogenous, variable-length list of attribute values.


   .. py:attribute:: VECTOR
      :value: 'vector'


      Homogenous, fixed-length vector of numeric attribute values.


   .. py:attribute:: SPARSE
      :value: 'sparse'


      Homogenous, fixed-length sparse vector of numeric attribute values.