The clustering analysis, as a kind of dataanalysistool appeared in this case.
在这种情况下，聚类分析作为一种数据分析工具应运而生。
2
As a good dataanalysistool, the GK fuzzy clustering can automatically detect different cluster shape. However, it has many shortcomings.
由于GK模糊聚类能够自动地探测不同聚类形状，故其被认为是一类较好的用于分类的数据分析技术。
3
And the rough set is a new dataanalysistool to deal with ambiguity and uncertainty of knowledge; it has been successfully applied to many areas of classification.