[mlpack-git] [mlpack/mlpack] GammaDistribution: Adds functionality to solve #749 (#751)

Yannis Mentekidis notifications at github.com
Fri Aug 5 14:06:15 EDT 2016

While implementing LSHModel I realized I would need the `GammaDistribution::Probability(x)` function. I remembered I mentioned in https://github.com/mlpack/mlpack/issues/733 I said I'd do it at some point, so I completed it now.

I also added a `Probability(x, dimension)`, for evaluating a single dimension at a time. This is useful for my implementation, and might prove useful to others since the gammas are completely independent here.

There's only one thing that bugs me: I'm not sure how to test the `Train(observations, probability)` function, so I haven't written a test for that yet.
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-- Commit Summary --

  * Adds functionality to solve #749

-- File Changes --

    M src/mlpack/core/dists/gamma_distribution.cpp (99)
    M src/mlpack/core/dists/gamma_distribution.hpp (73)
    M src/mlpack/tests/distribution_test.cpp (70)

-- Patch Links --


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