1. On the use of nonparametric regression for checking linear relationships;Azzalini;J. Roy. Statist. Soc.–Ser. B,1993
2. Nonlinear regression analysis and its applications;Bates,1988
3. Techniques for testing the constancy of regression relationship over time;Brown;J. Roy. Statist. Soc.—Ser. B,1975
4. Comment on variable selection and function estimation in additive nonparametric regression using data-based prior by Shively, Kohn, and Wood;Brumback;J. Amer. Statist. Assoc.,1999
5. Locally-weighted regression: an approach to regression analysis by local fitting;Cleveland;J. Amer. Statist. Assoc.,1988