Cox Proportional Hazards Regression for Right Truncated Data

Fits Cox regression based on retrospectively ascertained times-to-event. The method uses Inverse-Probability-Weighting estimating equations.


The coxrt package fits Cox regression based on retrospectively ascertained time-to-event data. The method uses Inverse-Probability-Weighting (IPW) estimating equations with stabilized weights as described in Vakulenko-Lagun, Mandel, and Betensky, Inverse-Probability-Weighting Methods for Cox Regression with Right Truncated Data (submitted to Biometrics, 2018).

The coxrt package provides two functions: coxph.RT that assumes positivity and coxph.RT.a0 that allows for adjustment of estimation under violation of positivity.

The coxrt package can be installed by

devtools::install_github("Bella2001/coxrt")

The examples of when and how to use coxrt package are here.

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Reference manual

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install.packages("coxrt")

1.0.1 by Bella Vakulenko-Lagun, 6 months ago


https://github.com/Bella2001/coxrt


Report a bug at https://github.com/Bella2001/coxrt/issues


Browse source code at https://github.com/cran/coxrt


Authors: Bella Vakulenko-Lagun


Documentation:   PDF Manual  


GPL (>= 2) license


Imports survival, BB, inline, gss, ggplot2

Suggests knitr, rmarkdown

Linking to Rcpp, RcppArmadillo


See at CRAN