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[SSGPLVM] add region constraint

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This commit is contained in:
Zhenwen Dai 2014-03-04 10:54:23 +00:00
parent c29c4e20c1
commit 5c82fe39b9
1 changed files with 3 additions and 3 deletions
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6
GPy/core/parameterization/variational.py
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@ -7,7 +7,7 @@ Created on 6 Nov 2013
import numpy as np
from parameterized import Parameterized
from param import Param
from transformations import Logexp
from transformations import Logexp, Logistic
class VariationalPrior(Parameterized):
def __init__(self, name=None, **kw):
@ -37,7 +37,7 @@ class SpikeAndSlabPrior(VariationalPrior):
def __init__(self, pi, variance = 1.0, name='SpikeAndSlabPrior', **kw):
super(VariationalPrior, self).__init__(name=name, **kw)
assert variance==1.0, "Not Implemented!"
self.pi = Param('pi', pi)
self.pi = Param('pi', pi, Logistic(1e-10,1-1e-10))
self.variance = Param('variance',variance)
self.add_parameters(self.pi)
@ -105,7 +105,7 @@ class SpikeAndSlabPosterior(VariationalPosterior):
binary_prob : the probability of the distribution on the slab part.
"""
super(SpikeAndSlabPosterior, self).__init__(means, variances, name)
self.gamma = Param("binary_prob",binary_prob,)
self.gamma = Param("binary_prob",binary_prob, Logistic(1e-10,1-1e-10))
self.add_parameter(self.gamma)
def plot(self, *args):