GAM: Stata module for generalised additive models

Patrick Royston () and Gareth Ambler ()
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Patrick Royston: UK Medical Research Council
Gareth Ambler: University College London

Statistical Software Components from Boston College Department of Economics

Abstract: gam fits a generalized or proportional hazards additive model (GAM) by mazimizing a penalized log likelihood function. Each component of the resulting estimated function of the covariates is a cubic smoothing spline. The smoothness of each component function is determined by the 'equivalent degrees of freedom' of the corresponding covariate. Models supported: Normal (Gaussian) errors, binomial, Poisson, gamma, Cox (now with Stata's stcox), and link functions among identity, log, logit and inverse. This package is an update to accommodate the latest versions of the Windows operating system (specifically, Win 2000 and XP) and supersedes the version published in the STB (Royston P, Ambler G (1998) Generalized additive models. Stata Technical Bulletin 42: 38-43.) As the SSC Archive does not allow executable images to be distributed, the most recent version of this software is accessible via the Stata command net from http://www.homepages.ucl.ac.uk/~ucakjpr/stata

Language: Stata
Requires: Stata version 6.0 for Windows
Keywords: generalized additive models; proportional hazards (search for similar items in EconPapers)
Date: 2002-10-18, Revised 2024-05-22
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