def test_counts(self):
cols = [1,2]
row = [0,1,0]
data = [[0,1,1], [0,1,0], [0,0,0], [0,1,1]]
classes = ['a', 'b', 'a', 'b']
poss = ['a', 'b']
counts = BNClassifier.counts(cols, row, data, classes, poss)
self.assertEquals(1, counts['a'])
self.assertEquals(2, counts['b'])
