def reduce(alist: Alist, children: List[Alist], G: InferenceGraph):
variables = alist.variables()
data = [x.instantiation_value(alist.get(tt.OPVAR)) for x in children
if (x not in list(variables.keys()) and x not in list(variables.values()))]
alist.instantiate_variable(alist.get(tt.OPVAR), len(data))
alist.instantiate_variable(tt.COV, estimate_uncertainty(
children, False, alist.get(tt.OP), len(children)
))
return alist
def test_getVariables(self):
alist = Alist(
**{
tt.ID: '1',
tt.SUBJECT: 'Africa',
tt.PROPERTY: 'P1082',
tt.OBJECT: '?x',
tt.TIME: '2010',
tt.OPVAR: '?x',
tt.COST: 1
})
alist.set('#d', 34)
variables = alist.variables()
self.assertTrue(len(variables) == 3, "should have 3 items in dict")
