.. _`Simple Train-Test Split`:

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

Simple Train-Test Split
~~~~~~~~~~~~~~~~~~~~~~~

.. image:: traintest.svg
   :width: 48


Splits input data into a training and a test dataset

:Configuration:


  - *test_size*

    Size of test data as fraction (< 1) of all data

  - *stratify*

    Stratify data using Y as class labels



:Inputs:
    **X** : table
        X
    **Y** : table
        Y

:Outputs:
    **X_train** : table
        X_train
    **Y_train** : table
        Y_train
    **X_test** : table
        X_test
    **Y_test** : table
        Y_test

*Ports*:

    **Inputs**:

        :X: table

            X
        :Y: table

            Y

    **Outputs**:

        :X_train: table

            X_train
        :Y_train: table

            Y_train
        :X_test: table

            X_test
        :Y_test: table

            Y_test

*Configuration*:

    **test_size**
        Size of test data as fraction (< 1) of all data
    **stratify**
        Stratify data using Y as class labels

.. automodule:: node_crossvalidation

.. class:: CrossVal_SimpleSplit