Mercurial > pylearn

comparison mlp_factory_approach.py @ 190:aa7a3ecbcc90

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
progress toward early stopping
author James Bergstra <bergstrj@iro.umontreal.ca>
date Wed, 14 May 2008 16:24:10 -0400
parents 8f58abb943d4
children e816821c1e50
comparison
equal deleted inserted replaced
189:8f58abb943d4 190:aa7a3ecbcc90
1 import dataset 1 import copy
2 import numpy
3
2 import theano 4 import theano
3 import theano.tensor as t 5 import theano.tensor as t
4 import numpy 6
7 import dataset
5 import nnet_ops 8 import nnet_ops
6 9
7 def _randshape(*shape): 10 def _randshape(*shape):
8 return (numpy.random.rand(*shape) -0.5) * 0.001 11 return (numpy.random.rand(*shape) -0.5) * 0.001
9 12
11 14
12 class _Model(object): 15 class _Model(object):
13 def __init__(self, nnet, params): 16 def __init__(self, nnet, params):
14 self.nnet = nnet 17 self.nnet = nnet
15 self.params = params 18 self.params = params
19
20 def __copy__(self):
21 return _Model(self.nnet, [copy.copy(p) for p in params])
16 22
17 def update(self, trainset, stopper=None): 23 def update(self, trainset, stopper=None):
18 """Update this model from more training data.""" 24 """Update this model from more training data."""
19 v = self.nnet.v 25 v = self.nnet.v
20 params = self.params 26 params = self.params