===============
Dates
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.. autoclass:: optimus.engines.base.columns::BaseColumns

    .. automethod:: median
    .. automethod:: mean
    .. automethod:: var
    .. automethod:: std
    .. automethod:: min
    .. automethod:: max
    .. automethod:: percentile
    .. automethod:: iqr
    .. automethod:: hist
    .. automethod:: frequency
    .. automethod:: count
