rstpm2 (1.5.1)
Smooth Survival Models, Including Generalized Survival Models.
http://github.com/mclements/rstpm2
http://cran.rproject.org/web/packages/rstpm2
R implementation of generalized survival models (GSMs), smooth accelerated failure time (AFT) models and Markov multistate models. For the GSMs, g(S(tx))=eta(t,x) for a link function g, survival S at time t with covariates x and a linear predictor eta(t,x). The main assumption is that the time effect(s) are smooth . For fully parametric models with natural splines, this reimplements Stata's 'stpm2' function, which are flexible parametric survival models developed by Royston and colleagues. We have extended the parametric models to include any smooth parametric smoothers for time. We have also extended the model to include any smooth penalized smoothers from the 'mgcv' package, using penalized likelihood. These models include left truncation, right censoring, interval censoring, gamma frailties and normal random effects . For the smooth AFTs, S(tx) = S_0(t*eta(t,x)), where the baseline survival function S_0(t)=exp(exp(eta_0(t))) is modelled for natural splines for eta_0, and the timedependent cumulative acceleration factor eta(t,x)=\int_0^t exp(eta_1(u,x)) du for log acceleration factor eta_1(u,x). The Markov multistate models allow for a range of models with smooth transitions to predict transition probabilities, length of stay, utilities and costs, with differences, ratios and standardisation.
Maintainer:
Mark Clements
Author(s): Mark Clements [aut, cre], XingRong Liu [aut], Paul Lambert [ctb], Lasse Hjort Jakobsen [ctb], Alessandro Gasparini [ctb], Gordon Smyth [cph], Patrick Alken [cph], Simon Wood [cph], Rhys Ulerich [cph]
License: GPL2  GPL3
Uses: bbmle, deSolve, fastGHQuad, mgcv, Rcpp, survival, eha, ggplot2, lattice, mstate, testthat, readstata13
Reverse depends: cuRe, metaRMST
Reverse suggests: biostat3, rsimsum, simsurv
Released 5 months ago.
10 previous versions
 rstpm2_1.5.0. Released 6 months ago.
 rstpm2_1.4.5. Released about 1 year ago.
 rstpm2_1.4.4. Released over 1 year ago.
 rstpm2_1.4.2. Released almost 2 years ago.
 rstpm2_1.4.1. Released over 2 years ago.
 rstpm2_1.4.0. Released over 2 years ago.
 rstpm2_1.3.4. Released over 3 years ago.
 rstpm2_1.3.2. Released almost 4 years ago.
 rstpm2_1.3.1. Released about 4 years ago.
 rstpm2_1.2.2. Released over 4 years ago.
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