1Wolfgang Hardle,Marlene Mu ller.Stefan Sperlich and Axel Werwats. [EB/OL].http://www.quantlte.com/mdstat/ scripts/spm/html/ spmhtml.html,2004.
2Buja A, Hastie T J, Tibshirani R. Linear Smoothers and Additive Models[J].Annals of Statistics,1989,(17).
3Opsomer J, Ruppert D. Fitting a Bivariate Additive Model by Local Polynomial Regression[M].Annals of Statistics, 1997.
4Opsomer J, Ruppert D. A Fully Automated Bandwidth Selection Method for Fitting Additive Models [M].Journal of the American Statistical Association, 1998, (26).
5FilhoCM, Okmyung Bin. Estimation of Hedonic Price Functions Via Additive Nonparametric Regression[J].Journal of the Empirical Economics,2005, (3).