.. _`Split Data for Cross Validation`:

.. _`org.sysess.sympathy.machinelearning.crossval_split`:

Split Data for Cross Validation
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.. image:: cv_mux.svg
   :width: 48


Partitions the data as per given training and test indicies. Returns list of tuples: (X training, Y training, X test, Y test)





Definition
::::::::::


Input ports
...........

    **splits**
        | Type: [(table, table)]
        | Description: splits
    **data**
        | Type: table
        | Description: data
        | Optional number of ports: 2--inf (default: 2)
        

Output ports
............

    **out**
        | Type: ['sylist', ['sytuple', ['sytypes', ['sygroup', 'data']], ['sytypes', ['sygroup', 'data']]]]
        | Description: out









Examples
........





The node can be found in:

* :download:`Custom_CrossValidation.syx </Examples/Sympathy for Data/MachineLearning/Custom_CrossValidation.syx>`




Implementation
..............

.. automodule:: node_crossvalidation
    :noindex:

.. class:: CrossVal_split
    :noindex: