def inf_theory_test_6(self):
"""
I(X ; Y)
"""
fac1 = self.fXY1.marginal(self.X)
fac2 = self.fXY1.marginal(self.Y)
res = [mutualInformation(self.fXY1, fac1, fac2),
mutualInformation(self.fXY1, fac1, fac2, 10),
mutualInformation(self.fXY1, fac1, fac2, math.e)]
assert_almost_equal(res[0], 0.0, places=1)
assert_almost_equal(res[1], 0.0, places=1)
assert_almost_equal(res[2], 0.0, places=1)
def inf_theory_test_7(self):
"""
I(X ; Y)
"""
joint = Factor([self.X, self.Y], [0.8, 0.05, 0.05, 0.8])
fac1 = self.fXY1.marginal(self.X)
fac2 = self.fXY1.marginal(self.Y)
res = [mutualInformation(joint, fac1, fac2),
mutualInformation(joint, fac1, fac2, 10),
mutualInformation(joint, fac1, fac2, math.e)]
assert_almost_equal(res[0], 2.4527, places=4)
assert_almost_equal(res[1], 0.73834, places=5)
assert_almost_equal(res[2], 1.7001, places=5)
def inf_theory_test_6(self):
"""
I(X ; Y)
"""
fac1 = self.fXY1.marginal(self.X)
fac2 = self.fXY1.marginal(self.Y)
res = [
mutualInformation(self.fXY1, fac1, fac2),
mutualInformation(self.fXY1, fac1, fac2, 10),
mutualInformation(self.fXY1, fac1, fac2, math.e)
]
assert_almost_equal(res[0], 0.0, places=1)
assert_almost_equal(res[1], 0.0, places=1)
assert_almost_equal(res[2], 0.0, places=1)
def inf_theory_test_7(self):
"""
I(X ; Y)
"""
joint = Factor([self.X, self.Y], [0.8, 0.05, 0.05, 0.8])
fac1 = self.fXY1.marginal(self.X)
fac2 = self.fXY1.marginal(self.Y)
res = [
mutualInformation(joint, fac1, fac2),
mutualInformation(joint, fac1, fac2, 10),
mutualInformation(joint, fac1, fac2, math.e)
]
assert_almost_equal(res[0], 2.4527, places=4)
assert_almost_equal(res[1], 0.73834, places=5)
assert_almost_equal(res[2], 1.7001, places=5)
