YPmodel

1.4

The Short-Term and Long-Term Hazard Ratio Model for Survival Data

0packages depend

3.1Kdownloads / year

–test coverage

11/13checks pass

Overview

About

Maintained by Junlong SunFirst published 2013-07-115 releasesCRAN page ↗

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.

Install

R (CRAN)Ubuntu (r2u)Fedora (COPR)openSUSE (OBS)

install.packages("YPmodel")

Installs the current CRAN release. Prebuilt binaries on Windows and macOS.

Release

# one-time r2u setup for Ubuntu (noble)

curl -fsSL https://raw.githubusercontent.com/eddelbuettel/r2u/master/inst/scripts/add_cranapt_noble.sh | sudo bash

# then install

sudo apt install r-cran-ypmodel

Fast Ubuntu binaries via r2u (no compilation). Run the setup once per machine.

bspm (used by r2u) also needs make: sudo apt install make

sudo dnf copr enable iucar/cran

sudo dnf install R-CRAN-YPmodel

RPMs from the iucar/cran COPR, rebuilt from CRAN.

sudo zypper install R-YPmodel

RPMs auto-built from CRAN on openSUSE OBS.

Health

CRAN checks

2NOTE11OK

Failing flavors

NOTE r-devel-linux-x86_64-debian-clang
NOTE r-devel-linux-x86_64-debian-gcc

Code health

None

Tests · ratio 0.00

not tracked

Coverage

None

Vignettes

README

Dependencies · direct

Check history

NOTE2026-03-10
12 OK · 2 NOTE · 0 WARNING · 0 ERROR · 0 FAILURE

Downloads

3.1K

CRAN downloads in the past year

Rank #21,507 · ~9/day · ~261/mo

21630 days

56090 days

3.1K1 year

Also on103 r2u22 autocran27 c2d4u

Source & community

Repository stars, issues, and contributor activity are not tracked yet.

Dependencies

Declared dependencies

0 external dependencies (excludes base and recommended)

Depends (1)

R >= 3.5.0

Imports (0)

none

LinkingTo (0)

none

Suggests (0)

none

Enhances (0)

none

Reverse dependencies

0direct

–indirect (not tracked)

Nothing depends on this yet.

Code

2,901Lines of code

2Exported functions

Code & tests

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People & History

People (0)

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Release timeline

5 releases. Pick two to compare their code metrics; R releases are shown for context.

R
R 4.6.0 released · 2026-04-24
R
R 4.5.0 released · 2025-04-11
R
R 4.4.0 released · 2024-04-24
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R 4.3.0 released · 2023-04-21
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R 4.2.0 released · 2022-04-22
R
R 4.1.0 released · 2021-05-18
1.4Latest
2020-10-20 · current release
R
R 4.0.0 released · 2020-04-24
R
R 3.6.0 released · 2019-04-26
R
R 3.5.0 released · 2018-04-23
R
R 3.4.0 released · 2017-04-21
R
R 3.3.0 released · 2016-05-03
1.3
2015-11-09 · diff ↗
1.2
2015-09-22 · diff ↗
R
R 3.2.0 released · 2015-04-16
R
R 3.1.0 released · 2014-04-10

Show 2 earlier events

1.1
2014-02-17 · diff ↗
1.0
2013-07-11

Package metadata

First published: 2013-07-11
Total releases: 5 / 13 yrs
License: GPL (>= 3) OSI
Download size: not tracked yet
Installed size: not tracked yet
With dependencies: not tracked yet