Review of Multivariable Model-building: A Pragmatic Approach to Regression Analysis Based on Fractional Polynomials for Modeling Continuous Variables, by Royston and Sauerbrei

Density Distribution Sunflower Plots in Stata Version 8

Dupont, William D., (2004)

Using Stata v9 to model complex non-linear relationships with restricted cubic splines

Dupont, William D., (2005)

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Dupont, William D., (2005)