weka中TF-IDF设置
经典TF-IDF=tf*log(N/n)
在weka中StringToWordVector: IDFTransform=true, TFTransform=false, ouputWordCounts=True 才对
之前一直没设置ouputWordCounts... 坑比...
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(* "・∀・)ノ ------◎ 去吧!大师球!!
经典TF-IDF=tf*log(N/n)
在weka中StringToWordVector: IDFTransform=true, TFTransform=false, ouputWordCounts=True 才对
之前一直没设置ouputWordCounts... 坑比...