Published by the Foundation for Open Access Statistics Editors-in-chief: Bettina Grün, Torsten Hothorn, Rebecca Killick, Edzer Pebesma, Achim Zeileis    ISSN 1548-7660; CODEN JSSOBK
Authors: Arthur Allignol, Martin Schumacher, Jan Beyersmann
Title: Empirical Transition Matrix of Multi-State Models: The etm Package
Abstract: Multi-State models provide a relevant framework for modelling complex event histories. Quantities of interest are the transition probabilities that can be estimated by the empirical transition matrix, that is also referred to as the Aalen-Johansen estimator. In this paper, we present the R package etm that computes and displays the transition probabilities. etm also features a Greenwood-type estimator of the covariance matrix. The use of the package is illustrated through a prominent example in bone marrow transplant for leukaemia patients.

Page views:: 12000. Submitted: 2009-01-08. Published: 2011-01-04.
Paper: Empirical Transition Matrix of Multi-State Models: The etm Package     Download PDF (Downloads: 13863)
etm_0.5-1.tar.gz: R source package Download (Downloads: 1337; 208KB)
v38i04.R: R example code from the paper Download (Downloads: 1473; 2KB) Example data in R binary format Download (Downloads: 1547; 5KB)

DOI: 10.18637/jss.v038.i04

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Paper: Creative Commons Attribution 3.0 Unported License
Code: GNU General Public License (at least one of version 2 or version 3) or a GPL-compatible license.