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YPmodel  

The Short-Term and Long-Term Hazard Ratio Model for Survival Data
View on CRAN: Click here


Download and install YPmodel package within the R console
Install from CRAN:
install.packages("YPmodel")

Install from Github:
library("remotes")
install_github("cran/YPmodel")

Install by package version:
library("remotes")
install_version("YPmodel", "1.4")



Attach the package and use:
library("YPmodel")
Maintained by
Junlong Sun
[Scholar Profile | Author Map]
First Published: 2013-07-11
Latest Update: 2020-10-19
Description:
Inference procedures accommodate a flexible range of hazard ratio patterns with a two-sample semi-parametric model. This model contains the proportional hazards model and the proportional odds model as sub-models, and accommodates non-proportional hazards situations to the extreme of having crossing hazards and crossing survivor functions. Overall, this package has four major functions: 1) the parameter estimation, namely short-term and long-term hazard ratio parameters; 2) 95 percent and 90 percent point-wise confidence intervals and simultaneous confidence bands for the hazard ratio function; 3) p-value of the adaptive weighted log-rank test; 4) p-values of two lack-of-fit tests for the model. See the included "read_me_first.pdf" for brief instructions. In this version (1.1), there is no need to sort the data before applying this package.
How to cite:
Junlong Sun (2013). YPmodel: The Short-Term and Long-Term Hazard Ratio Model for Survival Data. R package version 1.4, https://cran.r-project.org/web/packages/YPmodel. Accessed 05 May. 2025.
Previous versions and publish date:
1.0 (2013-07-11 07:35), 1.1 (2014-02-17 07:12), 1.2 (2015-09-22 10:43), 1.3 (2015-11-09 21:18)
Other packages that cited YPmodel R package
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Complete documentation for YPmodel
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