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add set_X and set_Y interface to gp model

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Zhenwen Dai 2014-09-24 14:36:25 +01:00
parent 88dc6f25a2
commit 10bfb47aa6
1 changed files with 16 additions and 0 deletions
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16
GPy/core/gp.py
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@ -92,6 +92,22 @@ class GP(Model):
logger.info("adding kernel and likelihood as parameters") logger.info("adding kernel and likelihood as parameters")
self.link_parameter(self.kern) self.link_parameter(self.kern)
self.link_parameter(self.likelihood) self.link_parameter(self.likelihood)
def set_X(self,X):
# TODO: it does not work with BGPLVM
if isinstance(X, ObsAr):
self.X = X
else:
self.X = ObsAr(X)
def set_Y(self,Y):
if self.normalizer is not None:
self.normalizer.scale_by(Y)
self.Y_normalized = ObsAr(self.normalizer.normalize(Y))
self.Y = Y
else:
self.Y = ObsAr(Y)
self.Y_normalized = self.Y
def parameters_changed(self): def parameters_changed(self):
self.posterior, self._log_marginal_likelihood, self.grad_dict = self.inference_method.inference(self.kern, self.X, self.likelihood, self.Y_normalized, self.Y_metadata) self.posterior, self._log_marginal_likelihood, self.grad_dict = self.inference_method.inference(self.kern, self.X, self.likelihood, self.Y_normalized, self.Y_metadata)