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author | Chris Dyer <cdyer@cab.ark.cs.cmu.edu> | 2012-10-02 00:19:43 -0400 |
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committer | Chris Dyer <cdyer@cab.ark.cs.cmu.edu> | 2012-10-02 00:19:43 -0400 |
commit | e26434979adc33bd949566ba7bf02dff64e80a3e (patch) | |
tree | d1c72495e3af6301bd28e7e66c42de0c7a944d1f /utils/gamma_poisson.h | |
parent | 0870d4a1f5e14cc7daf553b180d599f09f6614a2 (diff) |
cdec cleanup, remove bayesian stuff, parsing stuff
Diffstat (limited to 'utils/gamma_poisson.h')
-rw-r--r-- | utils/gamma_poisson.h | 33 |
1 files changed, 0 insertions, 33 deletions
diff --git a/utils/gamma_poisson.h b/utils/gamma_poisson.h deleted file mode 100644 index fec763f6..00000000 --- a/utils/gamma_poisson.h +++ /dev/null @@ -1,33 +0,0 @@ -#ifndef _GAMMA_POISSON_H_ -#define _GAMMA_POISSON_H_ - -#include <m.h> - -// http://en.wikipedia.org/wiki/Conjugate_prior -struct GammaPoisson { - GammaPoisson(double shape, double rate) : - a(shape), b(rate), n(), marginal() {} - - double prob(unsigned x) const { - return exp(Md::log_negative_binom(x, a + marginal, 1.0 - (b + n) / (1 + b + n))); - } - - void increment(unsigned x) { - ++n; - marginal += x; - } - - void decrement(unsigned x) { - --n; - marginal -= x; - } - - double log_likelihood() const { - return 0; - } - - double a, b; - int n, marginal; -}; - -#endif |