def vector_smooth(self):
edges = ss.compute_edges(self.net, self.vld)
snl = [n for n in self.net.pot if n.is_sum()]
cnl = [n for n in self.net.pot if n.is_categorical()]
for sn in snl:
vw = np.bincount(edges[sn], minlength=len(sn.weights)).astype(np.float)
if vw.sum() == 0:
continue
vw /= vw.sum()
w = calculate_weights( np.array(sn.weights), vw )
sn.set_weights(w)
for cn in cnl:
vm = np.bincount(edges[cn], minlength=len(cn.masses)).astype(np.float)
if vm.sum() == 0:
continue
vm /= vm.sum()
m = calculate_weights( np.array(cn.masses), vm )
cn.set_masses(m)
def smart_smooth(self, verbose=False):
edges = ss.compute_edges(self.net, self.vld)
pn_scores = sorted( [(ss.compute_score_of(pn, edges),pn) for pn in self.net.pot if pn.is_prod()] )
for s,pn in pn_scores:
nodes = pn.children
self.smooth_nodes(nodes, verbose)