本文整理汇总了Python中nltk.probability.FreqDist.iterkeys方法的典型用法代码示例。如果您正苦于以下问题：Python FreqDist.iterkeys方法的具体用法？Python FreqDist.iterkeys怎么用？Python FreqDist.iterkeys使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类nltk.probability.FreqDist的用法示例。
在下文中一共展示了FreqDist.iterkeys方法的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Python代码示例。
示例1: len
# 需要导入模块: from nltk.probability import FreqDist [as 别名]
# 或者: from nltk.probability.FreqDist import iterkeys [as 别名]
freq_dists[(team['name'], team['year'])] = fdist
for (word, count) in fdist.iteritems():
if word not in freq_dist_background:
freq_dist_background[word] = count
else:
freq_dist_background[word] += count
freq_dist_background_sum += count
except KeyError:
pass
print >> sys.stderr, "\r%d / %d" % (i, len(data)),
i += 1
for team in data:
try:
fdist = freq_dists[(team['name'], team['year'])]
for w in fdist.iterkeys():
fdist[w] = (fdist[w] / float(fdist.N())) / (freq_dist_background[w] / float(freq_dist_background_sum))
words = fdist.keys()
words.sort(lambda x,y: cmp(fdist[x], fdist[y]))
team['topwords'] = {word : fdist[word] for word in words[0:options.numberwords]}
except KeyError:
pass
print >> sys.stderr, "\n",
if options.outfile == '-':
outfile = sys.stdout
else:
outfile = open(options.outfile, 'w')
outfile.write(json.dumps(data, indent=4, ensure_ascii=False, encoding="utf-8").encode("utf-8"))
outfile.close()