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landpred

Landmark Prediction of a Survival Outcome

v2.0 · Dec 15, 2025 · GPL

Description

Nonparametric methods for landmark prediction of long-term survival outcomes, incorporating covariate and short-term event information. The package supports the construction of flexible varying-coefficient models that use discrete covariates, as well as multiple continuous covariates. The goal is to improve prediction accuracy when censored short-term events are available as predictors, using robust nonparametric procedures that do not require correct model specification and avoid restrictive parametric assumptions found in alternative methods. More information on these methods can be found in Parast et al. 2012 <doi:10.1080/01621459.2012.721281>, Parast et al. 2011 <doi:10.1002/bimj.201000150>, and Parast and Cai 2013 <doi:10.1002/sim.5776>. A tutorial for this package is available here: <https://www.laylaparast.com/landpred>.

Downloads

CRAN

283

Last 30 days

16853rd

727

Last 90 days

3.2K

Last year

Trend: +50.5% (30d vs prior 30d)

r2u CRAN

0

Last 30 days

24

Last 90 days

120

Last year

Trend: -100% (30d vs prior 30d)

autoCRAN

1

Last 7 days

19

Last 30 days

1

All-time

autoCRAN-only: this name is served only by autoCRAN, so the count is exact.

CRAN Check Status

13 OK
Show all 13 flavors
Flavor Status
r-devel-linux-x86_64-debian-clang OK
r-devel-linux-x86_64-debian-gcc OK
r-devel-linux-x86_64-fedora-clang OK
r-devel-linux-x86_64-fedora-gcc OK
r-devel-windows-x86_64 OK
r-oldrel-macos-arm64 OK
r-oldrel-macos-x86_64 OK
r-oldrel-windows-x86_64 OK
r-patched-linux-x86_64 OK
r-release-linux-x86_64 OK
r-release-macos-arm64 OK
r-release-macos-x86_64 OK
r-release-windows-x86_64 OK

Check History

OK 13 OK · 0 NOTE · 0 WARNING · 0 ERROR · 0 FAILURE May 10, 2026
WARNING 12 OK · 0 NOTE · 1 WARNING · 0 ERROR · 0 FAILURE May 9, 2026
WARNING r-devel-linux-x86_64-debian-gcc

PDF version of manual

LaTeX errors when creating PDF version.
This typically indicates Rd problems.
LaTeX errors found:
OK 12 OK · 0 NOTE · 0 WARNING · 0 ERROR · 0 FAILURE Apr 25, 2026
NOTE 11 OK · 3 NOTE · 0 WARNING · 0 ERROR · 0 FAILURE Mar 10, 2026
NOTE r-oldrel-macos-arm64

DESCRIPTION meta-information

Package listed in more than one of Depends, Imports, Suggests, Enhances:
  ‘quantreg’
A package should be listed in only one of these fields.
NOTE r-oldrel-macos-x86_64

DESCRIPTION meta-information

Package listed in more than one of Depends, Imports, Suggests, Enhances:
  ‘quantreg’
A package should be listed in only one of these fields.
NOTE r-oldrel-windows-x86_64

DESCRIPTION meta-information

Package listed in more than one of Depends, Imports, Suggests, Enhances:
  'quantreg'
A package should be listed in only one of these fields.

Code

Structure

Lines of code

2,243

Files

35

Compiled share

0%

Has compiled src

No

Language breakdown

R 1,391 (62%)Docs 852 (38%)

API

Exported functions

14

Internal functions

27

Recent export changes

v2.0+14 AUC.landmark, BS.landmark, Ghat.FUN +11 more  −1 pattern:^[[:alpha:]]+
v1.0+1 pattern:^[[:alpha:]]+

Testing & CI

Has tests

No

Test-to-code ratio

0.00

testthat edition

CI present

No

CI type

[]

PR gated

No

Docs

Return-value doc rate

92.9%

\dontrun example ratio

0%

Roxygen coverage

100%

Has pkgdown

No

NEWS present

No

Health & Security signals

Informational signals; not verdicts.

on.exit coverage

Unsafe pattern score

0

Dep constraint coverage

0%

Secret pattern count

0

Bundled 3rd-party code

2 items

Portability & License

Min R version

System requirements

C++ standard

License

GPL

License flags

not SPDX, not OSI

History

Versions

4

First release

2014-10-17

Latest release

2025-12-15

Avg cadence

842 days

Cold removal rate

100%

Dep drift

4

LOC over versions

v1.0: 1,347 LOCv1.1: 1,346 LOCv1.2: 1,339 LOCv2.0: 2,243 LOC

Per-file churn detail lives in the source pipeline: https://github.com/r-observatory/cran-code-metrics.

Reverse Dependencies (2)

imports

Dependency Network

Dependencies Reverse dependencies survival quantreg sm landmulti ludic landpred

Version History

5 tracked
new 2.0 Mar 10, 2026
updated 2.0 ← 1.2 diff Dec 14, 2025
updated 1.2 ← 1.1 diff Aug 25, 2023
updated 1.1 ← 1.0 diff Nov 15, 2021
new 1.0 Oct 17, 2014