...): For this purpose the symptom similarity measures should be defined. In the literature related to the GRA there are many measures determining relationship of similarity between data. As examples one can mention the generalized GRA model, which is used to analyze relationships between sequences and the measures...

...Sifeng Liu; Yingjie Yang; Ying Cao; Naiming Xie Purpose The purpose of this paper is to review systematically the research of grey relation analysis (GRA) models. Design/methodology/approach Three different approaches, the springboard to build a GRA model, the angle of view in modelling...