Elon wycharry

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wycharry / crf.py

Created April 9, 2017 10:15 — forked from neubig/crf.py

This is a script to train conditional random fields. It is written to minimize the number of lines of code, with no regard for efficiency.

	#!/usr/bin/python

	# crf.py (by Graham Neubig)
	# This script trains conditional random fields (CRFs)
	# stdin: A corpus of WORD_POS WORD_POS WORD_POS sentences
	# stdout: Feature vectors for emission and transition properties

	from collections import defaultdict
	from math import log, exp
	import sys