FreqDisknltk FreqDisk函数能够统计数组当中单词出现的次数。text [hadoop,spark,hive,hadoop,hadoop ,spark,lucene,hadoop,spark,hive ,hadoop,hadoop,spark,pig,zookeeper ,flume,stream,hadoop,hadoop,spark ,pig,zookeeper,flume,stream,hadoop ,hadoop,spark,pig,zookeeper,flume ,stream,hadoop,hadoop,spark,pig ,zookeeper,flume,stream,hadoop,hadoop ,spark,pig,zookeeper,flume,stream] fdist nltk.FreqDist(text) for k in fdist: print(k str(fdist[k]))hadoop 14 spark 8 hive 2 lucene 1 pig 5 zookeeper 5 flume 5 stream 5FreqDisk::plot(n)参数n以折线图的方式展示频数最大的前n项数据。fdist.plot(4)FreqDisk::tabulate(n)参数n以表格的方式展示频数最大的前n项数据。fdist.tabulate(5)FreqDisk::most_common(n)参数n展示频数最大的前n项数据。print(fdist.most_common(3))[(hadoop, 14), (spark, 8), (pig, 5)]FreqDisk::hapaxes()展示频数最小的数据。print(fdist.hapaxes())[lucene]FreqDisk::max()展示频数最大的数据。print(fdist.max())hadoop