题目：英语文章中特征词的统计



【问题描述】

作家写文章常常偏爱某些词语（特征词），因此常用“统计某些词语在某文章中出现频率”的办法作为判断“该文章是否出自该作者”的依据。现在已知某作家偏爱三个特征词，针对一篇不知作者的英语文章，需要通过“分析特征词在文中出现频率”判断该文章是该作家所作的可能性。

-Title: Feature article in English the word descr iption of the problem of statistical 【】 writer to write articles are often preferred in certain words (features of the word), so commonly used " Statistics of certain words in a certain article in the frequency"　approach as a judge, " the article is from the author " basis. Now known to prefer three characteristics of words a writer for an unknown author of the article in English need to pass the " Analysis of feature frequency of occurrence in the text,"　to determine whether the article was the possibility of the writer.