def test_get_2nd_order_adjustment(self):
points = [
grapoint(_rave.RaveValueType_DATA, 1.0, 0.0, 10.0, 20.0,
"20131010", "101500", 10**0.1, 12),
grapoint(_rave.RaveValueType_DATA, 1.0, 1.0, 10.0, 20.0,
"20131010", "101500", 1.0, 12),
grapoint(_rave.RaveValueType_DATA, 1.0, 2.0, 10.0, 20.0,
"20131010", "101500", 10**0.1, 12)
]
self.classUnderTest = gra.gra(points)
result = self.classUnderTest.get_2nd_order_adjustment()
self.assertEqual(6, len(result))
self.assertAlmostEqual(
1.0, result[0],
4) # The following 3 are from least square 2nd degree
self.assertAlmostEqual(-2.0, result[1], 4)
self.assertAlmostEqual(1.0, result[2], 4)
self.assertAlmostEqual(0.6667, result[3], 4) # The std deviation
self.assertAlmostEqual(0.4714, result[4], 4)
self.assertEqual(
0, result[5]
) # This is the difference between provided points and used points, should be 0 in this case
def test_get_correlation_2(self):
points = [
grapoint(_rave.RaveValueType_DATA, 1.0, 0.0, 10.0, 20.0,
"20131010", "101500", 10**0.1, 12),
grapoint(_rave.RaveValueType_DATA, 1.0, 1.0, 10.0, 20.0,
"20131010", "101500", 1.0, 12),
grapoint(_rave.RaveValueType_DATA, 1.0, 0.0, 10.0, 20.0,
"20131010", "101500", 10**0.1, 12)
]
self.classUnderTest = gra.gra(points)
self.assertAlmostEqual(-1.0, self.classUnderTest.get_correlation(), 2)
def test_get_std_deviation(self):
points = [
grapoint(_rave.RaveValueType_DATA, 1.0, 0.0, 10.0, 20.0,
"20131010", "101500", 10**0.1, 12),
grapoint(_rave.RaveValueType_DATA, 1.0, 1.0, 10.0, 20.0,
"20131010", "101500", 1.0, 12),
grapoint(_rave.RaveValueType_DATA, 1.0, 2.0, 10.0, 20.0,
"20131010", "101500", 10**0.1, 12)
]
self.classUnderTest = gra.gra(points)
result = self.classUnderTest.get_std_deviation()
self.assertEqual(2, len(result))
self.assertAlmostEqual(0.6667, result[0], 4)
self.assertAlmostEqual(0.4714, result[1], 4)
def test_least_square_nth_degree(self):
points = [
grapoint(_rave.RaveValueType_DATA, 1.0, 0.0, 10.0, 20.0,
"20131010", "101500", 10**0.1, 12),
grapoint(_rave.RaveValueType_DATA, 1.0, 1.0, 10.0, 20.0,
"20131010", "101500", 1.0, 12),
grapoint(_rave.RaveValueType_DATA, 1.0, 2.0, 10.0, 20.0,
"20131010", "101500", 10**0.1, 12)
]
self.classUnderTest = gra.gra(points)
result = self.classUnderTest.least_square_nth_degree(2)
self.assertEqual(3, len(result))
self.assertAlmostEqual(1.0, result[0], 4)
self.assertAlmostEqual(-2.0, result[1], 4)
self.assertAlmostEqual(1.0, result[2], 4)