Abstract
Many researches have been carried out in fuzzy linear regression the past three decades. However, almost all of them are limited to type-1 fuzzy data. A fuzzy linear regression model with type-2 fuzzy output data and type-2 fuzzy coefficients is studied in this paper. A linear programming model based on goal programming is proposed to calculate the regression coefficients. To evaluate the proposed model, we present some indices based on the standard deviation, the correlation coefficient, and the standard error of estimate. The proposed method is illustrated by some numerical examples.
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Communicated by V. Loia.
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Hosseinzadeh, E., Hassanpour, H. & Arefi, M. A weighted goal programming approach to fuzzy linear regression with crisp inputs and type-2 fuzzy outputs. Soft Comput 19, 1143–1151 (2015). https://doi.org/10.1007/s00500-014-1328-3
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DOI: https://doi.org/10.1007/s00500-014-1328-3