def test_ppc():
"""
Tests PPC value
"""
model = ARIMA(data=data, ar=2, ma=2, family=t())
x = model.fit('BBVI', iterations=100, quiet_progress=True)
p_value = model.ppc(nsims=100)
assert (0.0 <= p_value <= 1.0)
def a_test_ppc():
"""
Tests PPC value
"""
model = ARIMA(data=data, ar=2, ma=2, family=Exponential())
x = model.fit('BBVI', iterations=100)
p_value = model.ppc(nsims=100)
assert (0.0 <= p_value <= 1.0)