CRF测试语料中统计准确度（最后两列是正确label与预测label）

#!/usr/bin/python

from __future__ import division

import sys,os,time

if __name__=='__main__':
f=open(sys.argv[1],'r')
total=0
right=0

for line in f:
if len(line.strip()) == 0:continue
total=total+1
arrays=line.strip().split("\t");

#print arrays[-1].strip(),":",arrays[-2].strip()
if arrays[-1].strip()==arrays[-2].strip():right=right+1

print 'total line:',total,',success:',right,',accur:%.4f'%(right/total)