Python standardDeviation Examples

Example #1

File: test-confidence-interval.py Project: alexandrecardinal/log330

  def testEmptyDataset(self):
    dataset = []
    linReg = calculator.linearRegression(dataset)
    standardDeviation = calculator.standardDeviation(dataset, linReg)

    with self.assertRaises(Exception):
      (lowerInterval, higherInterval) = calculator.confidenceInterval(dataset, linReg, standardDeviation, self.confidence, self.estimation)

Example #2

File: test-confidence-interval.py Project: alexandrecardinal/log330

  def testNormalCondition(self):
    dataset = [
      (130, 186),
      (650, 699),
      (99, 132),
      (150, 272),
      (128, 291),
      (302, 331),
      (95, 199),
      (945, 1890),
      (368, 788),
      (961, 1601)
    ]
    linReg = calculator.linearRegression(dataset)
    standardDeviation = calculator.standardDeviation(dataset, linReg)

    (lowerInterval, higherInterval) = calculator.confidenceInterval(dataset, linReg, standardDeviation, self.confidence, self.estimation)
    self.assertEqual((lowerInterval, higherInterval), (1471.4585277625715, 2350.5491765845945))

Example #3

File: test-confidence-interval.py Project: alexandrecardinal/log330

  def testAllZeroes(self):
    dataset = [
      (0, 0), 
      (0, 0), 
      (0, 0), 
      (0, 0),
      (0, 0),
      (0, 0),
      (0, 0),
      (0, 0),
      (0, 0),
      (0, 0)
    ]
    linReg = calculator.linearRegression(dataset)
    standardDeviation = calculator.standardDeviation(dataset, linReg)
    (lowerInterval, higherInterval) = calculator.confidenceInterval(dataset, linReg, standardDeviation, self.confidence, self.estimation)

    self.assertEqual((lowerInterval, higherInterval), (0, 0))

Example #4

File: test-standard-deviation.py Project: alexandrecardinal/log330

 def testNormalStandardDeviation(self):
   dataset = [1, 10, 1, 10, 1 , 10]
   standardDeviation = calculator.standardDeviation(dataset)
   self.assertEqual(round(standardDeviation, 3), 4.93)

Example #5

File: test-standard-deviation.py Project: alexandrecardinal/log330

 def testInvalidStandardDeviation(self):
   dataset = ['ok', 2, 3, 4, 5, 6]
   with self.assertRaises(Exception):
     standardDeviation = calculator.standardDeviation(dataset)

Example #6

File: test-standard-deviation.py Project: alexandrecardinal/log330

 def testUpperBoundStandardDeviation(self):
   dataset = [MAX_VALUE, 0, 0]
   standardDeviation = calculator.standardDeviation(dataset)
   self.assertEqual(round(standardDeviation, 3), 1239850261.676)

Example #7

File: test-standard-deviation.py Project: alexandrecardinal/log330

 def testLowerBoundStandardDeviation(self):
   dataset = [MIN_VALUE, MIN_VALUE, 0, 0, 10]
   standardDeviation = calculator.standardDeviation(dataset)
   self.assertEqual(standardDeviation, 1176225237.7088258)