Design notes
============

Decisions made during development, with the reasons and the alternatives
considered. Each note has the same parts: the decision, why, the
alternatives, and where it lives in the code.

.. toctree::
   :maxdepth: 1

   principles
   diffuse_initialization
   cycle_initialization
   output_coordinates
   missing_data
   steady_state
   estimation
   performance
   interfaces

The differences from statsmodels that follow from these decisions are
listed in :doc:`../statsmodels_differences`.