def __boundary_similarity__(*args, **kwargs):
metric_kwargs = dict(kwargs)
del metric_kwargs['return_parts']
del metric_kwargs['one_minus']
# Arguments
return_parts = kwargs['return_parts']
one_minus = kwargs['one_minus']
# Compute
statistics = __boundary_statistics__(*args, **metric_kwargs)
additions = statistics['additions']
substitutions = statistics['substitutions']
transpositions = statistics['transpositions']
count_unweighted = len(additions) + len(substitutions) + len(transpositions)
# Fraction
denominator = count_unweighted + len(statistics['matches'])
numerator = denominator - statistics['count_edits']
if return_parts:
return numerator, denominator, additions, substitutions, transpositions
else:
value = numerator / denominator if denominator > 0 else 1
if one_minus:
return Decimal('1') - value
else:
return value
def __boundary_similarity__(*args, **kwargs):
metric_kwargs = dict(kwargs)
del metric_kwargs['return_parts']
del metric_kwargs['one_minus']
# Arguments
return_parts = kwargs['return_parts']
one_minus = kwargs['one_minus']
# Compute
statistics = __boundary_statistics__(*args, **metric_kwargs)
additions = statistics['additions']
substitutions = statistics['substitutions']
transpositions = statistics['transpositions']
count_unweighted = len(additions) + len(substitutions) + len(
transpositions)
# Fraction
denominator = count_unweighted + len(statistics['matches'])
numerator = denominator - statistics['count_edits']
if return_parts:
return numerator, denominator, additions, substitutions, transpositions
else:
value = numerator / denominator if denominator > 0 else 1
if one_minus:
return Decimal('1') - value
else:
return value
def __segmentation_similarity__(*args, **kwargs):
'''
Segmentation Similarity (S).
'''
metric_kwargs = dict(kwargs)
del metric_kwargs['return_parts']
del metric_kwargs['one_minus']
# Arguments
return_parts = kwargs['return_parts']
one_minus = kwargs['one_minus']
# Compute
statistics = __boundary_statistics__(*args, **metric_kwargs)
# Process
pbs = statistics['pbs'] * len(statistics['boundary_types'])
# Fraction
denominator = pbs
numerator = pbs - statistics['count_edits']
if return_parts:
return numerator, denominator
else:
value = numerator / denominator if denominator > 0 else 1
if one_minus:
return Decimal('1') - value
else:
return value