Improved KNN algorithm by using the combination technology, and applied it to the forecast of non-mining fracture of shaft-lining of mine.

利用组合技术对KNN算法进行改进，并将其应用于煤矿立井井筒非采动破裂的预测。

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So, the traditional KNN arithmetic, clusters training document with highly overlapping word is improved, central vector of cluster is gained.

为此，改进了传统KNN算法，将训练文本中相似度大的文本合并，称为一簇，并计算簇的中心向量。

youdao

So, the traditional KNN arithmetic, clusters training document with highly overlapping word is improved, central vector of cluster is gained.

为此，改进了传统KNN算法，将训练文本中相似度大的文本合并，称为一簇，并计算簇的中心向量。

youdao