Stack Overflow
Stack Overflow

Questions tagged [python-crfsuite]

22 questions
1
vote
1 answer

CRFSuite how much training data?

Hi I am training a crf using crfsuite with some sample data that I have using Latin text. I tagged the training data with O, PERSON and PLACE. When test my trained model I am getting everything predicted as O. I am suspecting that this is because I…
gannina
  • 173
  • 1
  • 8
1
vote
0 answers

pycrfsuite : how to recall the saved models for more training

I am using pycrfsuite now. I Know crf training model's saving. crf_trainer = pycrfsuite.Trainer() crf_trainer.train('crf.crfsuite') So, When I want to tag, i use the source. crf_tagger = pycrfsuite.Tagger() crf_tagger.open('crf.crfsuite') But, I…
허재영
  • 11
  • 1
1
vote
2 answers

How can I train a CRF on two datasets with pycrfsuite?

I have two datasets: dataset A and dataset B. I want to use pycrfsuite to train a conditional random field (CRF) on dataset A, then train the CRF on dataset B. Is it possible to achieve that with pycrfsuite? I do not want to join the CRF on two…
Franck Dernoncourt
  • 77,520
  • 72
  • 342
  • 501
1
vote
2 answers

How to install python-crfsuite on windows

I'm trying to install scrapy on win7. One dependency is python-crfsuite. When I run : pip install python-crfsuite==0.8.4 It fails repeatedly finally giving: copying pycrfsuite\__init__.py -> build\lib.win32-2.7\pycrfsuite running build_ext building…
user1592380
  • 34,265
  • 92
  • 284
  • 515
0
votes
1 answer

What is the easiest way to obtain the confusion matrix from python CRFSuite?

I am trying to obtain the confusion matrix from python CRFsuite. This my code: from sklearn.metrics import confusion_matrix confusion_matrix(y_test, pred_y, normalize='true', labels=lables) error: ValueError: You appear to be using a legacy…
AziZ
  • 149
  • 1
  • 12
0
votes
1 answer

Python-crfsuite labeling in fixed pattern

I'm trying to create a CRF model that segments Japanese sentences into words. At the moment I'm not worried about perfect results as it's just a test. The training goes fine but when it's finished it always gives the same guess for every sentence I…
David S.
  • 135
  • 7
0
votes
1 answer

Training a CRF without sentence boundaries

I need to tag parts of text in an HTML document. However, it mostly consists of text in form of dates, company names, Addresses, etc. I plan to use CRF (sklearn-crfsuite) My problem is that it is difficult to divide the dataset into sentences. Can…
sir_osthara
  • 154
  • 2
  • 9
1
2