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APtools: Average Positive Predictive Values (AP) for Binary Outcomes and Censored Event Times

We provide tools to estimate two prediction accuracy metrics, the average positive predictive values (AP) as well as the well-known AUC (the area under the receiver operator characteristic curve) for risk scores. The outcome of interest is either binary or censored event time. Note that for censored event time, our functions' estimates, the AP and the AUC, are time-dependent for pre-specified time interval(s). A function that compares the APs of two risk scores/markers is also included. Optional outputs include positive predictive values and true positive fractions at the specified marker cut-off values, and a plot of the time-dependent AP versus time (available for event time data).

Version: 6.8.8
Depends: graphics, stats, utils, survival, cmprsk
Published: 2018-09-21
DOI: 10.32614/CRAN.package.APtools
Author: Hengrui Cai, Yan Yuan, Qian Michelle Zhou, Bingying Li
Maintainer: Hengrui Cai <hengruicai at gmail.com>
License: LGPL-3
NeedsCompilation: no
In views: Survival
CRAN checks: APtools results

Documentation:

Reference manual: APtools.pdf

Downloads:

Package source: APtools_6.8.8.tar.gz
Windows binaries: r-devel: APtools_6.8.8.zip, r-release: APtools_6.8.8.zip, r-oldrel: APtools_6.8.8.zip
macOS binaries: r-release (arm64): APtools_6.8.8.tgz, r-oldrel (arm64): APtools_6.8.8.tgz, r-release (x86_64): APtools_6.8.8.tgz, r-oldrel (x86_64): APtools_6.8.8.tgz
Old sources: APtools archive

Linking:

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These binaries (installable software) and packages are in development.
They may not be fully stable and should be used with caution. We make no claims about them.