def testCommonAndNumPyMetricsTwoDimension(self):
a = [1.2, 3.4]
b = [5.4, -7.1]
npa = numpy.array(a)
npb = numpy.array(b)
assertion.eq(metric.euclidean_distance(a, b),
metric.euclidean_distance_numpy(npa, npb))
assertion.eq(metric.euclidean_distance_square(a, b),
metric.euclidean_distance_square_numpy(npa, npb))
assertion.eq(metric.manhattan_distance(a, b),
metric.manhattan_distance_numpy(npa, npb))
assertion.eq(metric.chebyshev_distance(a, b),
metric.chebyshev_distance_numpy(npa, npb))
assertion.eq(metric.minkowski_distance(a, b, 2),
metric.minkowski_distance_numpy(npa, npb, 2))
assertion.eq(metric.minkowski_distance(a, b, 4),
metric.minkowski_distance_numpy(npa, npb, 4))
assertion.eq(metric.canberra_distance(a, b),
metric.canberra_distance_numpy(npa, npb))
assertion.eq(metric.chi_square_distance(a, b),
metric.chi_square_distance_numpy(npa, npb))
assertion.eq(metric.chi_square_distance(a, b),
metric.chi_square_distance_numpy(npa, npb))
gower = metric.distance_metric(metric.type_metric.GOWER,
data=[a, b],
numpy_usage=False)
gower_numpy = metric.distance_metric(metric.type_metric.GOWER,
data=[a, b],
numpy_usage=True)
assertion.eq(gower(a, b), gower_numpy(npa, npb))
def testEuclideanDistance(self):
assertion.eq(0.0, metric.euclidean_distance([0], [0]))
assertion.eq(
0.0,
metric.euclidean_distance_numpy(numpy.array([0]),
numpy.array([0])))
assertion.eq(1.0, metric.euclidean_distance([0.0, 1.0], [0.0, 0.0]))
assertion.eq(
1.0,
metric.euclidean_distance_numpy(numpy.array([0.0, 1.0]),
numpy.array([0.0, 0.0])))
assertion.eq(2.0, metric.euclidean_distance([3.0, 3.0], [5.0, 3.0]))
assertion.eq(
2.0,
metric.euclidean_distance_numpy(numpy.array([3.0, 3.0]),
numpy.array([5.0, 3.0])))
assertion.eq(2.0, metric.euclidean_distance([-3.0, -3.0],
[-5.0, -3.0]))
assertion.eq(
2.0,
metric.euclidean_distance_numpy(numpy.array([-3.0, -3.0]),
numpy.array([-5.0, -3.0])))
def my_func2(L1, L2):
eucl = euclidean_distance(L1, L2)
#return (1/(eucl+1))
return (-eucl)
def compute_distance(self, x, y) -> float:
return euclidean_distance(x, y)
def testEuclideanDistance(self):
assertion.eq(0.0, metric.euclidean_distance([0], [0]))
assertion.eq(1.0, metric.euclidean_distance([0.0, 1.0], [0.0, 0.0]))
assertion.eq(2.0, metric.euclidean_distance([3.0, 3.0], [5.0, 3.0]))
assertion.eq(2.0, metric.euclidean_distance([-3.0, -3.0], [-5.0, -3.0]))
def testEuclideanDistance(self):
assertion.eq(0.0, metric.euclidean_distance([0], [0]));
assertion.eq(1.0, metric.euclidean_distance([0.0, 1.0], [0.0, 0.0]));
assertion.eq(2.0, metric.euclidean_distance([3.0, 3.0], [5.0, 3.0]));
assertion.eq(2.0, metric.euclidean_distance([-3.0, -3.0], [-5.0, -3.0]));
