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comparison amat.py @ 470:bd937e845bbb

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new stuff: algorithms/logistic_regression, datasets/MNIST
author James Bergstra <bergstrj@iro.umontreal.ca>
date Wed, 22 Oct 2008 15:56:53 -0400
parents 6e69fb91f3c0
children
comparison
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469:4335309f4924 470:bd937e845bbb
1 """load PLearn AMat files""" 1 """load PLearn AMat files"""
2 2
3 import sys, numpy, array 3 import sys, numpy, array
4
5 path_MNIST = '/u/bergstrj/pub/data/mnist.amat'
6
7 4
8 class AMat: 5 class AMat:
9 """DataSource to access a plearn amat file as a periodic unrandomized stream. 6 """DataSource to access a plearn amat file as a periodic unrandomized stream.
10 7
11 Attributes: 8 Attributes:
12 9
13 input -- minibatch of input 10 input -- all columns of input
14 target -- minibatch of target 11 target -- all columns of target
15 weight -- minibatch of weight 12 weight -- all columns of weight
16 extra -- minitbatch of extra 13 extra -- all columns of extra
17 14
18 all -- the entire data contents of the amat file 15 all -- the entire data contents of the amat file
19 n_examples -- the number of training examples in the file 16 n_examples -- the number of training examples in the file
20 17
21 AMat stands for Ascii Matri[x,ces] 18 AMat stands for Ascii Matri[x,ces]