def main(model_dir,
train_loc,
dev_loc,
iters=5,
n_sents=0,
feat_thresh=5,
beam_width=4):
sent_strs = open(train_loc).read().strip().replace('|', '/').split('\n')
# Apply limit
if n_sents != 0:
sent_strs = sent_strs[:n_sents]
tagger = redshift.tagger.train('\n'.join(sent_strs),
model_dir,
beam_width=beam_width,
nr_iter=iters,
feat_thresh=feat_thresh)
dev_input = [
Input.from_pos(s.replace('|', '/'))
for s in open(dev_loc).read().strip().split('\n')
]
t = 1e-100
c = 0
for sent in dev_input:
gold_tags = [tok.tag for tok in sent.tokens]
tagger.tag(sent)
for i, token in enumerate(sent.tokens):
c += gold_tags[i] == token.tag
t += 1
print c / t
def test_tag(tagger, sentence):
tagger.tag(sentence)
assert sentence.length == 7
tokens = list(sentence.tokens)
assert tokens[0].word == 'This'
assert tokens[1].word == 'is'
assert tokens[2].word == 'a'
assert tokens[3].word == 'test'
assert tokens[4].word == '.'
def test_tag(tagger, sentence):
tagger.tag(sentence)
assert sentence.length == 7
tokens = list(sentence.tokens)
assert tokens[0].word == 'This'
assert tokens[1].word == 'is'
assert tokens[2].word == 'a'
assert tokens[3].word == 'test'
assert tokens[4].word == '.'
def main(model_dir, train_loc, dev_loc, iters=5, n_sents=0, feat_thresh=5, beam_width=4):
sent_strs = open(train_loc).read().strip().replace('|', '/').split('\n')
# Apply limit
if n_sents != 0:
sent_strs = sent_strs[:n_sents]
tagger = redshift.tagger.train('\n'.join(sent_strs), model_dir,
beam_width=beam_width, nr_iter=iters, feat_thresh=feat_thresh)
dev_input = [Input.from_pos(s.replace('|', '/'))
for s in open(dev_loc).read().strip().split('\n')]
t = 1e-100
c = 0
for sent in dev_input:
gold_tags = [tok.tag for tok in sent.tokens]
tagger.tag(sent)
for i, token in enumerate(sent.tokens):
c += gold_tags[i] == token.tag
t += 1
print c / t
