SOM-PCA99419-511김유환서론(Introduction)ing도이러한연구중하나로,자동요약,클러스터링,,,이때이러한행렬의한행이각각의입력이되고,,이렇게함으로서메모리를효율적으로사용할수있고,이와동시에Noise도제거할수있으며,,(말뭉치,corpus),,Tf(TermFrequency)와단어가다른문서에비해서얼마나더자주나왔는가를표시하는Idf(InverseTermFrequency)의곱(Tf*Idf),,(자세한과정은생략)이렇게한다고해도여전히열의개수가매우많게되므로,CurseofDimensionality때문에학습이잘되기어렵고,,(1) (그림1),Mutua
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