.. _example_45:

(45) Trend modeling
-------------------

In this example show how the module :doc:`trend1d </trend1d>`
is used to fit the CO2 data set collected from the top of
Mauna Loa.  This yields the famous Keeling curve.

.. literalinclude:: /_verbatim/example_45.txt
   :language: bash

.. figure:: /_images/example_45.*
   :width: 500 px
   :align: center

   Trend Modeling.