本文对灰关联方法及其进展进行了简单介绍。依据灰关联四公理，从灰关联基础方法进展到极性灰关联方法及成组序列的灰关联方法，为拓广灰关联分析方法的应用领域提供了理论依据，同时提出大数据时代灰关联方法的新思维。%This article briefly introduced the development of the grey relational analysis (GRA). It started from the four axioms of GRA and relevant essential methods, followed by the polar GRA and grouped sequences GRA, which supplemented the theory basis of the GRA application and provided a new avenue of adopting the coming age of big data.
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