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added target_param option to checkgrad(), removed unused function parameter

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Nicolò Fusi 2013-02-20 10:13:03 +00:00
parent 0f9eac5a25
commit 66f25769bc
1 changed files with 7 additions and 2 deletions
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9
GPy/core/model.py
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@ -310,7 +310,7 @@ class model(parameterised):
return '\n'.join(s)
def checkgrad(self, verbose=False, include_priors=False, step=1e-6, tolerance = 1e-3):
def checkgrad(self, target_param = None, verbose=False, step=1e-6, tolerance = 1e-3):
"""
Check the gradient of the model by comparing to a numerical estimate.
If the verbose flag is passed, invividual components are tested (and printed)
@ -367,7 +367,12 @@ class model(parameterised):
separator = '-'*len(header_string[0])
print '\n'.join([header_string[0], separator])
for i in range(len(x)):
if target_param is None:
param_list = range(len(x))
else:
param_list = self.grep_param_names(target_param)
for i in param_list:
xx = x.copy()
xx[i] += step
self._set_params_transformed(xx)