pastas.stats.signatures.magnitude
=================================

.. py:function:: pastas.stats.signatures.magnitude(series: pandas.Series) -> float

   
   Difference between the minimum and maximum heads, divided by the minimum head
   adapted after :cite:t:`hannah_approach_2000`.

   :param series: Pandas Series with DatetimeIndex and head values.
   :type series: pandas.Series

   :returns: Difference between the minimum and maximum heads, divided by the minimum head.
   :rtype: float

   .. rubric:: Notes

   Difference between the minimum and maximum heads, divided by the minimum head:

   ..math::
       (h_max - h_min ) / h_min

   The higher the magnitude, the more variable the head is, and vice versa.















   ..
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