def spanners_3prime(self):
for (name, spanners_fwd), (name1, spanners_rev) in itertools.izip(
self.spanners_over(lambda item: item.ambiguous_depths[0].spanner_ends()),
self.spanners_over(lambda item: item.ambiguous_depths[1].spanner_starts()),
):
yield name, spanner.zip_spanners(
spanner.map_spanner(sum, spanners_fwd),
spanner.map_spanner(sum, spanners_rev),
)
def spanners_total(self):
for (name,fwd_spanner),(name1,rev_spanner) in itertools.izip(
self.spanners_over(lambda item: item.ambiguous_depths[0].spanner()),
self.spanners_over(lambda item: item.ambiguous_depths[1].spanner())
):
yield name, spanner.zip_spanners(
spanner.map_spanner(sum, fwd_spanner),
spanner.map_spanner(sum, rev_spanner),
)
def spanner_ambiguity(self):
def ambiguity((depths, ambiguous_depths)):
total_ambiguous = sum(ambiguous_depths)
if not total_ambiguous:
return (0.0,)
else:
return (1.0 - float(sum(depths)) / total_ambiguous,)
for (name, spanner_depths), (name1, spanner_ambiguous_depths) in itertools.izip(
self.spanners_over_unstranded(lambda item: item.depths),
self.spanners_over_unstranded(lambda item: item.ambiguous_depths)):
yield name, spanner.map_spanner(ambiguity, spanner.zip_spanners(spanner_depths, spanner_ambiguous_depths))
def normalize_spanners(self, spanners):
normalize = self.normalizer()
for name, a_spanner in spanners:
yield name, spanner.map_spanner(normalize, a_spanner)
