def test_coincidence(self):
print
print "{0}testing coincidence{0}".format("*" * 6)
data = [(), ('Jazz',), ('Jazz',)]
self.assertEquals(Util.list_item_count(data, ('Jazz', )), 2, "Jazz occures for twice")
self.assertEquals(Util.coincidence(data, (), ('Jazz',)), 1.0, "coincidence of {} and (Jazz,) is 1")
self.assertEquals(Util.coincidence(data, ('Jazz', ), ('Jazz',)), 1.0, "coincidence of (Jazz,) and (Jazz,) is 1")
data2 = [('Funk', 'Rock', 'Jazz'), ('Funk',), ('Funk', 'Rock')]
self.assertEquals(Util.coincidence(data2, ('Funk', ), ('Funk', 'Rock')), 0.5, 'coincidence of (Funk,) and (Funk, Rock) is 0.5')
self.assertEquals(Util.coincidence(data2, ('Funk', ), ('Funk', 'Rock')), Util.coincidence(data2, ('Funk', 'Rock'), ('Funk',)), 'coincidence is symmetric')
print "{0}tested coincidence{0}".format("*" * 6)
print
def test_coincidence(self):
print
print "{0}testing coincidence{0}".format("*" * 6)
data = [(), ('Jazz', ), ('Jazz', )]
self.assertEquals(Util.list_item_count(data, ('Jazz', )), 2,
"Jazz occures for twice")
self.assertEquals(Util.coincidence(data, (), ('Jazz', )), 1.0,
"coincidence of {} and (Jazz,) is 1")
self.assertEquals(Util.coincidence(data, ('Jazz', ), ('Jazz', )), 1.0,
"coincidence of (Jazz,) and (Jazz,) is 1")
data2 = [('Funk', 'Rock', 'Jazz'), ('Funk', ), ('Funk', 'Rock')]
self.assertEquals(
Util.coincidence(data2, ('Funk', ), ('Funk', 'Rock')), 0.5,
'coincidence of (Funk,) and (Funk, Rock) is 0.5')
self.assertEquals(
Util.coincidence(data2, ('Funk', ), ('Funk', 'Rock')),
Util.coincidence(data2, ('Funk', 'Rock'), ('Funk', )),
'coincidence is symmetric')
print "{0}tested coincidence{0}".format("*" * 6)
print
def create_ock(self):
ock = {}.fromkeys(self.flat_data)
for key in ock.iterkeys():
ock[key] = {}
flat_data_2 = self.flat_data[:]
for obs in self.flat_data:
for obs2 in flat_data_2:
ock[obs][obs2] = sum([
Util.coincidence(d, obs, obs2) for d in self.data
if obs in d and obs2 in d
])
flat_data_2.remove(obs)
for obs2 in flat_data_2:
# copy the symmetric items
ock[obs2][obs] = ock[obs][obs2]
return ock
def create_ock(self):
ock = {}.fromkeys(self.flat_data)
for key in ock.iterkeys():
ock[key] = {}
flat_data_2 = self.flat_data[:]
for obs in self.flat_data:
for obs2 in flat_data_2:
ock[obs][obs2] = sum([
Util.coincidence(d, obs, obs2) for d in self.data
if obs in d and obs2 in d
])
flat_data_2.remove(obs)
for obs2 in flat_data_2:
# copy the symmetric items
ock[obs2][obs] = ock[obs][obs2]
return ock
