def test_2_ppc():
"""
Tests PPC value
"""
model = ARIMAX(formula="y ~ x1 + x2", data=data, ar=2, ma=2)
x = model.fit('BBVI', iterations=100, quiet_progress=True)
p_value = model.ppc()
assert (0.0 <= p_value <= 1.0)
def a_test2_ppc():
"""
Tests PPC value
"""
model = ARIMAX(formula="y ~ x1 + x2",
data=data,
ar=2,
ma=2,
family=Exponential())
x = model.fit('BBVI', iterations=100)
p_value = model.ppc()
assert (0.0 <= p_value <= 1.0)
