Preprocess Variables
====================

Variables for the :doc:`/api/spy4cast.spy4cast.Preprocess` methodology that can be accessed for plotting.


.. table::
    :class: variables-table

    +----------+------------------------------------------------------------+--------------------------------------------+
    | VARIABLE | MEANING                                                    | DIMENSION LENGTH                           |
    +==========+============================================================+============================================+
    | .time    | Time coordinate. Usually in years.                         | nt                                         |
    +----------+------------------------------------------------------------+--------------------------------------------+
    | .lat     | Latitude coordinate. From -90 to 90.                       | nlat                                       |
    +----------+------------------------------------------------------------+--------------------------------------------+
    | .lon     | Longitude coordinate. From -180 to 180.                    | nlon                                       |
    +----------+------------------------------------------------------------+--------------------------------------------+
    | .data    | Raw data as a numpy matrix. Reshaped as (nlat * nlon, nt)  | ns x nt                                    |
    +----------+------------------------------------------------------------+--------------------------------------------+


.. table::
    :class: variables-table

    +---------------+------------------------------------------------------------+--------------------------------------------+
    | VARIABLE      | MEANING                                                    | TYPE                                       |
    +===============+============================================================+============================================+
    | .ds           | Dataset that was introduced for preprocessing.             | Dataset                                    |
    +---------------+------------------------------------------------------------+--------------------------------------------+
    | .region       | Region that hold the dataset.                              | Region                                     |
    +---------------+------------------------------------------------------------+--------------------------------------------+