可能性回帰モデルの可能性グレードに含まれるあいまいさ

抄録

A possibilistic regression model illustrates the possibilities of a target system by including all samples. Since the shape of the interval-type regression model easily distorted, many papers to remove distortions of the model have reported. Although our fuzzy robust regression model is one of them, it is difficult to obtain a model without distortion. The proposed method to remove vagueness included in possibility grades have proposed as an error is included in samples. The method succeeded in removing distortions of a model. The method removes influences of unusual samples and can obtain model to illustrate possibilities of a focal system without distortions. In this paper, we discuss the features of the proposed method using a numerical example.