#!/usr/bin/env python
# -*- coding: utf-8 -*-
from primo.core import DynamicBayesNet
from primo.reasoning import DiscreteNode
bn = DynamicBayesNet()
burglary = DiscreteNode("Burglary", ["Intruder", "Safe"])
alarm = DiscreteNode("Alarm", ["Ringing", "Silent", "Kaputt"])
earthquake = DiscreteNode("Earthquake", ["Shaking", "Calm"])
john_calls = DiscreteNode("John calls", ["Calling", "Not Calling"])
mary_calls = DiscreteNode("Mary calls", ["Calling", "Not Calling"])
bn.add_node(burglary)
bn.add_node(alarm)
bn.add_node(earthquake)
bn.add_node(john_calls)
bn.add_node(mary_calls)
bn.add_edge(burglary, alarm)
bn.add_edge(earthquake, alarm)
bn.add_edge(alarm, john_calls)
bn.add_edge(alarm, mary_calls)
bn.add_edge(alarm, alarm, True)
print(bn.is_valid())
def setUp(self):
self.dbn = DynamicBayesNet()
#!/usr/bin/env python
# -*- coding: utf-8 -*-
from primo.core import BayesNet
from primo.core import DynamicBayesNet
from primo.core import TwoTBN
from primo.reasoning import DiscreteNode
import primo.reasoning.particlebased.ParticleFilterDBN as pf
import numpy
#Construct some simple DynmaicBayesianNetwork
B0 = BayesNet()
dbn = DynamicBayesNet()
twoTBN = TwoTBN()
weather0_init = DiscreteNode("Weather0", ["Sun", "Rain"])
weather0 = DiscreteNode("Weather0", ["Sun", "Rain"])
weather = DiscreteNode("Weather", ["Sun", "Rain"])
ice_cream_eaten = DiscreteNode("Ice Cream Eaten", [True, False])
B0.add_node(weather0_init)
twoTBN.add_node(weather0, True)
twoTBN.add_node(weather)
twoTBN.add_node(ice_cream_eaten)
twoTBN.add_edge(weather, ice_cream_eaten)
twoTBN.add_edge(weather0, weather);
cpt_weather0_init = numpy.array([.6, .4])
weather0_init.set_probability_table(cpt_weather0_init, [weather0_init])
class DynamicBayesNetTest(unittest.TestCase):
def setUp(self):
self.dbn = DynamicBayesNet()
def tearDown(self):
self.dbn = None
def test_add_node(self):
self.dbn.clear()
n = DiscreteNode("Some Node", [True, False])
self.dbn.add_node(n)
self.assertEqual(n, self.dbn.get_node("Some Node"))
self.assertTrue(n in self.dbn.get_nodes(["Some Node"]))
def test_temporal_edges(self):
self.dbn.clear()
n1 = DiscreteNode("1", [True, False])
n2 = DiscreteNode("2", [False, False])
self.dbn.add_node(n1)
self.dbn.add_node(n2)
self.assertTrue(self.dbn.is_valid())
self.dbn.add_edge(n1, n1)
self.assertFalse(self.dbn.is_valid())
self.dbn.add_edge(n1, n1, True)
self.assertTrue(self.dbn.is_valid())
