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Comput Methods Programs Biomed. 2008 Mar;89(3):289-300. doi: 10.1016/j.cmpb.2007.11.017. Epub 2008 Jan 15.

SAS and R functions to compute pseudo-values for censored data regression.

Author information

1
Division of Biostatistics, Department of Population Health, Medical College of Wisconsin, 8701 Watertown Plank Road, Milwaukee, WI 53226, USA. klein@mcw.edu

Abstract

Recently, in a series of papers, a method based on pseudo-values has been proposed for direct regression modeling of the survival function, the restricted mean and cumulative incidence function with right censored data. The models, once the pseudo-values have been computed, can be fit using standard generalized estimating equation software. Here we present SAS macros and R functions to compute these pseudo-values. We illustrate the use of these routines and show how to obtain regression estimates for a study of bone marrow transplant patients.

PMID:
18199521
PMCID:
PMC2533132
DOI:
10.1016/j.cmpb.2007.11.017
[Indexed for MEDLINE]
Free PMC Article

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