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Since Tanaka et al. proposed a study in linear regression analysis with fuzzy model, fuzzy regression analysis has been widely studied and applied in a variety of substantive areas. We know that the regression analysis in the case of heterogeneity of observations are commonly presented in practice. In this paper, the main goal is to apply fuzzy clustering techniques to fuzzy regression analysis. The fuzzy clustering is used to overcome the heterogeneous problem in fuzzy regression model. We combine both together and call it the cluster-wise fuzzy regression analysis.
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