Distribution-Free Methods of Approximating Nonlinear Marketing Relationships

A Practical Guide to Splines

1978 • 11,700 citations

Robust Locally Weighted Regression and Smoothing Scatterplots

1979 • 10,049 citations

The Theory of Splines and Their Applications

1967 • 1,873 citations

Consistent Nonparametric Regression

1977 • 1,745 citations

1979 educators' conference proceedings

1979 • 258 citations

Curve Fitting by Segmented Straight Lines

1969 • 163 citations

Piecewise Regression

1970 • 123 citations

Delimiting the Areal Extent of a Market Area

1977 • 36 citations

Predicting Response Speed in Mail Surveys

1980 • 30 citations

Using S-Shaped Curves to Predict Response Rates

1981 • 15 citations

Estimation of the Liquidity Trap Using Spline Functions

1976 • 14 citations

The Effects of Sampling Variation on Sales Forecasts for New Consumer Products

1976 • 11 citations