def test_leave_one_out(self):
fold = evaluation.kfold(self.corpus, self.problem,
self.classifier, len(self.corpus))
self.assertNotEqual(fold, 0)
def test_kfold_lt_75(self):
testset = [(1, 0, 0), (1, 0, 1), (1, 1, 0), (0, 1, 1)]
self.my_setup(testset)
p = kfold(testset, self.p, MockClassifier, k=4)
self.assertLessEqual(p, 0.75)
def test_leave_one_out(self):
fold = evaluation.kfold(self.corpus, self.problem, self.classifier,
len(self.corpus))
self.assertNotEqual(fold, 0)
def test_kfold_is_0(self):
testset = [(0, 1, 1), (1, 1, 0)]
self.my_setup(testset)
p = kfold(testset, self.p, MockClassifier, k=2)
self.assertEqual(p, 0.0)
def test_k1_is_bad(self):
testset = [(0, 1, 1), (1, 1, 0), (1, 6, 5), (1, 7, 0), (0, 1, 9)]
self.my_setup(testset)
with self.assertRaises(ValueError):
kfold(testset, self.p, MockClassifier, k=1)
def test_kfold_lt_75(self):
testset = [(1, 0, 0), (1, 0, 1), (1, 1, 0), (0, 1, 1)]
self.my_setup(testset)
p = kfold(testset, self.p, MockClassifier, k=4)
self.assertLessEqual(p, 0.75)
def test_kfold_is_0(self):
testset = [(0, 1, 1), (1, 1, 0)]
self.my_setup(testset)
p = kfold(testset, self.p, MockClassifier, k=2)
self.assertEqual(p, 0.0)
def test_k1_is_bad(self):
testset = [(0, 1, 1), (1, 1, 0), (1, 6, 5), (1, 7, 0), (0, 1, 9)]
self.my_setup(testset)
with self.assertRaises(ValueError):
kfold(testset, self.p, MockClassifier, k=1)