def testComputePrecision(self):
trueValues = []
learnedValues = []
self.assertEqual(1.0,
ModelEvaluation.precision(trueValues, learnedValues))
trueValues = [1]
learnedValues = []
self.assertEqual(1.0,
ModelEvaluation.precision(trueValues, learnedValues))
trueValues = []
learnedValues = [1]
self.assertEqual(0.0,
ModelEvaluation.precision(trueValues, learnedValues))
trueValues = [1, 2]
learnedValues = [2]
self.assertEqual(1.0,
ModelEvaluation.precision(trueValues, learnedValues))
trueValues = [1, 2]
learnedValues = [2, 3]
self.assertEqual(0.5,
ModelEvaluation.precision(trueValues, learnedValues))
trueValues = [1, 2]
learnedValues = [2, 3, 4]
self.assertEqual(1 / 3,
ModelEvaluation.precision(trueValues, learnedValues))
