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observer pattern has a handle to trigger only > min_priority observers

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Max Zwiessele 2014-02-28 11:33:31 +00:00
parent 058ab679e7
commit 2771e3f71f
8 changed files with 181 additions and 90 deletions
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14
GPy/core/model.py
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@ -60,20 +60,6 @@ class Model(Parameterized):
self.priors = state.pop()
Parameterized._setstate(self, state)
def randomize(self):
"""
Randomize the model.
Make this draw from the prior if one exists, else draw from N(0,1)
"""
# first take care of all parameters (from N(0,1))
# x = self._get_params_transformed()
x = np.random.randn(self.size_transformed)
x = self._untransform_params(x)
# now draw from prior where possible
[np.put(x, ind, p.rvs(ind.size)) for p, ind in self.priors.iteritems() if not p is None]
self._set_params(x)
# self._set_params_transformed(self._get_params_transformed()) # makes sure all of the tied parameters get the same init (since there's only one prior object...)
def optimize_restarts(self, num_restarts=10, robust=False, verbose=True, parallel=False, num_processes=None, **kwargs):
"""
Perform random restarts of the model, and set the model to the best