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nphPower
View on CRAN: Click
here
Download and install nphPower package within the R console
Install from CRAN:
install.packages("nphPower")
Install from Github:
library("remotes")
install_github("cran/nphPower")
Install by package version:
library("remotes")
install_version("nphPower", "1.1.0")
Attach the package and use:
library("nphPower")
Maintained by
Huan Cheng
[Scholar Profile | Author Map]
[Scholar Profile | Author Map]
All associated links for this package
10.32614/CRAN.package.nphPower . https://github.com/hcheng99/nphPower . nphPower results . nphPower.pdf . nphPower_1.1.0.tar.gz . nphPower_1.1.0.zip . nphPower_1.1.0.zip . nphPower_1.1.0.zip . nphPower_1.1.0.tgz . nphPower_1.1.0.tgz . nphPower_1.1.0.tgz . nphPower_1.1.0.tgz . nphPower archive . https://CRAN.R-project.org/package=nphPower .
First Published: 2021-12-01
Latest Update: 2021-12-01
Description:
Performs combination tests and sample size calculation for
fixed design with survival endpoints using combination tests under either
proportional hazards or non-proportional hazards. The combination tests
include maximum weighted log-rank test and projection test. The sample
size calculation procedure is very flexible, allowing for user-defined
hazard ratio function and considering various trial conditions like
staggered entry, drop-out etc. The sample size calculation also applies to
various cure models such as proportional hazards cure model, cure model with
(random) delayed treatments effects. Trial simulation function is also provided
to facilitate the empirical power calculation. The references for
projection test and maximum weighted logrank test include Brendel et al. (2014)
and Cheng and He (2021) . The
references for sample size calculation under proportional hazard include
Schoenfeld (1981) and Freedman (1982) .
The references for calculation under non-proportional hazards include
Lakatos (1988) and Cheng and He (2023) .
How to cite:
Huan Cheng (2021). nphPower: Sample Size Calculation under Non-Proportional Hazards. R package version 1.1.0, https://cran.r-project.org/web/packages/nphPower. Accessed 30 Apr. 2025.
Previous versions and publish date:
1.0.0 (2021-12-01 12:20)
Other packages that cited nphPower R package
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Other R packages that nphPower depends,
imports, suggests or enhances
Complete documentation for nphPower
Functions, R codes and Examples using
the nphPower R package
Some associated functions: MaxLRtest . cal_event . evalfup . gen.wgt . lung . n2pwr.NPH . plot.MaxLR . plot.NPHpwr . plotHazSurv . projection.test . pwr2n.LR . pwr2n.NPH . simu.trial . summary.NPHpwr .
Some associated R codes: MaxLRtest.R . data.R . evalfup.R . gen.wgt.R . load.mat.R . n2pwr.NPH.R . oxy-MaxLRtest.R . oxy-evalfup.R . oxy-gen.wgt.R . oxy-n2pwr.NPH.R . oxy-plotHazSurv.R . oxy-projection.test.R . oxy-pwr2n.LR.R . oxy-pwr2n.NPH.R . oxy-simu.trial.R . plotHazSurv.R . projection.test.R . pwr2n.LR.R . pwr2n.NPH.R . pwr2n.prj.R . simu.trial.R . trans.mat.R . utility.R . Full nphPower package functions and examples
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