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Fixing bernoulli likelihood for Laplace, fixing Zep for EP, and starting working on quadrature limits

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This commit is contained in:
Alan Saul 2015-10-19 19:29:57 +01:00
parent 6b6938bd11
commit 5b4abf4c34
8 changed files with 70 additions and 39 deletions
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5
GPy/likelihoods/poisson.py
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@ -28,7 +28,7 @@ class Poisson(Likelihood):
"""
the expected value of y given a value of f
"""
return self.gp_link.transf(gp)
return self.gp_link.transf(f)
def pdf_link(self, link_f, y, Y_metadata=None):
"""
@ -46,7 +46,8 @@ class Poisson(Likelihood):
:rtype: float
"""
assert np.atleast_1d(link_f).shape == np.atleast_1d(y).shape
return np.prod(stats.poisson.pmf(y,link_f))
return np.exp(self.logpdf_link(link_f, y, Y_metadata))
# return np.prod(stats.poisson.pmf(y,link_f))
def logpdf_link(self, link_f, y, Y_metadata=None):
"""