Implements the Network meta-Analytic Predictive (NAP) prior framework to accommodate changes in the standard of care (SoC) during ongoing randomized controlled trials (RCTs). The method synthesizes pre- and post-change in-trial data by leveraging external evidence, particularly head-to-head trials comparing the original and new standards of care, to bridge the two evidence periods and enable principled borrowing. The package provides utilities to construct NAP-based priors and perform Bayesian inference for time-to-event endpoints using summarized trial evidence.
| Version: | 0.2.0 |
| Depends: | R (≥ 4.0) |
| Imports: | stats, graphics, survival, R2jags, metafor, purrr, dplyr, tibble |
| Suggests: | rjags, knitr, rmarkdown |
| Published: | 2026-02-14 |
| DOI: | 10.32614/CRAN.package.NAPrior |
| Author: | Chunyi Zhang [aut, cre] |
| Maintainer: | Chunyi Zhang <czhang12 at mdanderson.org> |
| License: | MIT + file LICENSE |
| NeedsCompilation: | no |
| Materials: | README, NEWS |
| CRAN checks: | NAPrior results |
| Reference manual: | NAPrior.html , NAPrior.pdf |
| Vignettes: |
README (source, R code) |
| Package source: | NAPrior_0.2.0.tar.gz |
| Windows binaries: | r-devel: NAPrior_0.2.0.zip, r-release: NAPrior_0.2.0.zip, r-oldrel: NAPrior_0.2.0.zip |
| macOS binaries: | r-release (arm64): NAPrior_0.2.0.tgz, r-oldrel (arm64): NAPrior_0.2.0.tgz, r-release (x86_64): NAPrior_0.2.0.tgz, r-oldrel (x86_64): NAPrior_0.2.0.tgz |
| Old sources: | NAPrior archive |
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