Example #1
0
 def test_values(self):
     # uniform histogram
     self.assertTrue(_entropy([1, 1, 1]) == np.log2(3))
     # use the examples of the TestErrorHistogramHelperFunction test above
     # A)
     hist = [0, 4]
     self.assertTrue(_entropy(hist) == 0)
     # B)
     hist = [0, 0, 4, 0]
     self.assertTrue(_entropy(hist) == 0)
     # C)
     hist = [4, 0, 0, 0]
     self.assertTrue(_entropy(hist) == 0)
     # D)
     hist = [0, 0, 3, 1]
     self.assertTrue(np.allclose(_entropy(hist), 0.811278124459))
     # E)
     hist = [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0,
             8, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
     self.assertTrue(np.allclose(_entropy(hist), 0.921928094887))
Example #2
0
 def test_values(self):
     # uniform histogram
     self.assertTrue(_entropy([1, 1, 1]) == np.log2(3))
     # use the examples of the TestErrorHistogramHelperFunction test above
     # A)
     hist = [0, 4]
     self.assertTrue(_entropy(hist) == 0)
     # B)
     hist = [0, 0, 4, 0]
     self.assertTrue(_entropy(hist) == 0)
     # C)
     hist = [4, 0, 0, 0]
     self.assertTrue(_entropy(hist) == 0)
     # D)
     hist = [0, 0, 3, 1]
     self.assertTrue(np.allclose(_entropy(hist), 0.811278124459))
     # E)
     hist = [
         0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 8, 0,
         0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
     ]
     self.assertTrue(np.allclose(_entropy(hist), 0.921928094887))
Example #3
0
 def test_types(self):
     entropy = _entropy(np.ones(6))
     self.assertIsInstance(entropy, float)
Example #4
0
 def test_types(self):
     entropy = _entropy(np.ones(6))
     self.assertIsInstance(entropy, float)