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Add get_cosine util function

This commit is contained in:
Ines Montani 2017-01-12 16:49:57 +01:00
parent 51ef75f629
commit bd20ec0a6a
1 changed files with 7 additions and 0 deletions
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7
spacy/tests/util.py
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@ -4,6 +4,8 @@ from __future__ import unicode_literals
from ..tokens import Doc
from ..attrs import ORTH, POS, HEAD, DEP
import numpy
def get_doc(vocab, words=[], pos=None, heads=None, deps=None, tags=None, ents=None):
"""Create Doc object from given vocab, words and annotations."""
@ -36,3 +38,8 @@ def apply_transition_sequence(parser, doc, sequence):
with parser.step_through(doc) as stepwise:
for transition in sequence:
stepwise.transition(transition)
def get_cosine(vec1, vec2):
"""Get cosine for two given vectors"""
return numpy.dot(vec1, vec2) / (numpy.linalg.norm(vec1) * numpy.linalg.norm(vec2))