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authorChris Dyer <cdyer@cab.ark.cs.cmu.edu>2012-10-02 00:19:43 -0400
committerChris Dyer <cdyer@cab.ark.cs.cmu.edu>2012-10-02 00:19:43 -0400
commite26434979adc33bd949566ba7bf02dff64e80a3e (patch)
treed1c72495e3af6301bd28e7e66c42de0c7a944d1f /utils/gamma_poisson.h
parent0870d4a1f5e14cc7daf553b180d599f09f6614a2 (diff)
cdec cleanup, remove bayesian stuff, parsing stuff
Diffstat (limited to 'utils/gamma_poisson.h')
-rw-r--r--utils/gamma_poisson.h33
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