Fuzzy c-Regression Models with direction-dependent uncertainty and its application to residential solar electric power analysis. - Shunsuke Iwata; Katsuhiro Honda; Akira Notsu; Hidetomo Ichihashi (FUZZ-IEEE, 2013)

Alternative fuzzy c-regression models with tolerance. - Shunsuke Iwata; Katsuhiro Honda; Akira Notsu (SCIS&ISIS, 2014)

Fuzzy c-Regression Models Based on Optimal Scaling of Categorical Observation with Tolerance. - Shunsuke Iwata; Katsuhiro Honda; Akira Notsu (Soft Computing in Artificial Intelligence, 2014)