oscarlaird / simplex_assimilate

Perform Data Assimilation on the Simplex. Models an ensemble with a mixture of Dirichlets.

Simplex Assimilate: Data assimilation on the simplex

Installation

pip install simplex-assimilate

File Structure

• simplex_assimilate/ source code
• simplex_assimilate/cdf.py Conditional distribution functions for the mixed dirichlet prior.
• simplex_assimilate/quantize.py Convert floating point samples to fixed point representation.
• simplex_assimilate/dirichlet.py Model samples on the simplex with a mixture of Dirichlet distributions. Fit parameters by maximum likelihood.
• simplex_assimilate/transport.py Optimal transport of samples on the simplex.
• tests/ unit tests
• coverage_report/ coverage reports

See Also

• Ice Simplex Assimilate Repository
  • Represent an ice thickness distribution as a point on the simplex and perform transport.