我想从一套数据中产生一个直方图,这些数据我使用了apache commons Math 3.0 图书馆。我一直在查看它们的文件(http://commons.apache.org/marth/apidocs/index.html ),但不知道。有人知道吗?
您需要在此使用频率等级, API CHECH 文档 : < a href="http://commons.apache.org/math/apidocs/org/apache/commons/math3/stat/Frequency.html" rel="nofollow" >http://commons.apache.org/math/apidocs/org/apache/commons/marth3/stat/Frequency.html
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