Jeffrey S. Simonoff, Chih-Ling Tsai. Score Tests for the Single Index Model. Technometrics, 44(2):142-151, 2002. [doi]
@article{SimonoffT02,
title = {Score Tests for the Single Index Model},
author = {Jeffrey S. Simonoff and Chih-Ling Tsai},
year = {2002},
doi = {10.1198/004017002317375091},
url = {http://dx.doi.org/10.1198/004017002317375091},
researchr = {https://researchr.org/publication/SimonoffT02},
cites = {0},
citedby = {0},
journal = {Technometrics},
volume = {44},
number = {2},
pages = {142-151},
}