Modal Regression Estimation for Heteroscedastic Single-Index Model. - Waled Khaled; Jin-Guan Lin (ISCSIC, 2019)

Test for Heteroscedasticity in Partially Linear Regression Models. - Waled Khaled; Jin-Guan Lin; Zhong-Cheng Han; Yanyong Zhao; Hongxia Hao (J. Syst. Sci. Complex., 2019)

Checking Heteroscedasticity in Partially Linear Single-Index Models Using Pairwise Distance. - Jian-Qiang Zhao; Jianquan Li; Yan-Yong Zhao; Junyan He; Waled Khaled (IEEE Access, 2020)