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annotate tests/test_sigmoid.py @ 31:fa7a51df0d90

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[logistic regression] test gradient descent
author Jeff Hammel <k0scist@gmail.com>
date Mon, 04 Sep 2017 12:37:45 -0700
parents d6d2ecb33c95
children 38aa9098bf2d
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1 #!/usr/bin/env python
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2
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3 """
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4 test sigmoid related functionality
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5 """
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6
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7 import os
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8 import unittest
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9 from tvii.sigmoid import sigmoid
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12 class TestSigmoid(unittest.TestCase):
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14 def test_basic(self):
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15 """test two points of the sigmoid function"""
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17 answer = sigmoid([0,2])
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cd43ce453358 [numpy] of course we have to cast everything here too
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18 assert len(answer) == 2
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19 assert answer[0] == 0.5
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20 assert abs(answer[1] - 0.88079708) < 1e-6
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22 if __name__ == '__main__':
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23 unittest.main()