References
- Marquardt , D. W. and Snee , R. D. 1975 . “Ridge Regression in Practice,” . The American Statistician , 29 : 3 – 20 .
- Marquardt , D. W. and Stanley , R. M. 1979 . “Biased Estimators for Mixture Models and Smooth Regression: Examples of Driving Toward the Null Hypothesis,” unpublished manuscript