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annotate sandbox/rbm/main.py @ 400:269d5c5a4209

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Cleaned up, added sparse_instance
author Joseph Turian <turian@gmail.com>
date Tue, 08 Jul 2008 23:59:57 -0400
parents 8796b91a9f09
children ffdd2c199f2a
rev   line source
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1 #!/usr/bin/python
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2 """
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3 Simple SGD RBM training.
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4 (An example of how to use the model.)
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5 """
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6
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7
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8 import numpy
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9
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10 nonzero_instances = []
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11 nonzero_instances.append({0: 1, 1: 1})
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12 nonzero_instances.append({0: 1, 2: 1})
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13
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14 #nonzero_instances.append({1: 0.1, 5: 0.5, 9: 1})
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15 #nonzero_instances.append({2: 0.3, 5: 0.5, 8: 0.8})
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16 ##nonzero_instances.append({1: 0.2, 2: 0.3, 5: 0.5})
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17
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18 import model
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19 model = model.Model()
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20
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21 for i in xrange(100000):
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22 # Select an instance
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23 instance = nonzero_instances[i % len(nonzero_instances)]
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24
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25 # SGD update over instance
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26 model.update([instance])