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lrstat
View on CRAN: Click
here
Download and install lrstat package within the R console
Install from CRAN:
install.packages("lrstat")
Install from Github:
library("remotes")
install_github("cran/lrstat")
Install by package version:
library("remotes")
install_version("lrstat", "0.2.12")
Attach the package and use:
library("lrstat")
Maintained by
Kaifeng Lu
[Scholar Profile | Author Map]
[Scholar Profile | Author Map]
All associated links for this package
10.32614/CRAN.package.lrstat . lrstat results . lrstat.pdf . lrstat_0.2.13.tar.gz . lrstat_0.2.13.zip . lrstat_0.2.13.zip . lrstat_0.2.13.zip . lrstat_0.2.13.tgz . lrstat_0.2.13.tgz . lrstat_0.2.13.tgz . lrstat_0.2.13.tgz . lrstat_0.2.13.tgz . lrstat_0.2.13.tgz . lrstat archive . https://CRAN.R-project.org/package=lrstat .
First Published: 2021-12-17
Latest Update: 2023-08-17
Description:
Performs power and sample size calculation for non-proportional hazards model using the Fleming-Harrington family of weighted log-rank tests. The sequentially calculated log-rank test score statistics are assumed to have independent increments as characterized in Anastasios A. Tsiatis (1982) . The mean and variance of log-rank test score statistics are calculated based on Kaifeng Lu (2021) . The boundary crossing probabilities are calculated using the recursive integration algorithm described in Christopher Jennison and Bruce W. Turnbull (2000, ISBN:0849303168). The package can also be used for continuous, binary, and count data. For continuous data, it can handle missing data through mixed-model for repeated measures (MMRM). In crossover designs, it can estimate direct treatment effects while accounting for carryover effects. For binary data, it can design Simon's 2-stage, modified toxicity probability-2 (mTPI-2), and Bayesian optimal interval (BOIN) trials. For count data, it can design group sequential trials for negative binomial endpoints with censoring. Additionally, it facilitates group sequential equivalence trials for all supported data types. Moreover, it can design adaptive group sequential trials for changes in sample size, error spending function, number and spacing or future looks. Finally, it offers various options for adjusted p-values, including graphical and gatekeeping procedures.
How to cite:
Kaifeng Lu (2021). lrstat: Power and Sample Size Calculation for Non-Proportional Hazards and Beyond. R package version 0.2.12, https://cran.r-project.org/web/packages/lrstat. Accessed 06 Apr. 2025.
Previous versions and publish date:
0.1.0 (2021-12-17 10:10), 0.1.1 (2021-12-23 09:20), 0.1.2 (2022-02-02 10:10), 0.1.3 (2022-02-09 13:20), 0.1.4 (2022-06-07 22:30), 0.1.5 (2022-06-09 10:10), 0.1.6 (2022-08-09 17:00), 0.1.7 (2022-08-29 09:40), 0.1.8 (2022-09-11 21:12), 0.1.9 (2022-10-09 21:20), 0.1.10 (2022-10-25 18:32), 0.1.11 (2023-02-09 19:00), 0.1.12 (2023-04-30 21:50), 0.1.13 (2023-05-21 00:10), 0.1.14 (2023-06-09 06:10), 0.1.15 (2023-08-17 20:42), 0.2.0 (2023-10-01 18:40), 0.2.1 (2023-11-28 04:20), 0.2.2 (2023-12-22 05:30), 0.2.3 (2024-02-27 21:00), 0.2.4 (2024-03-19 17:50), 0.2.5 (2024-04-22 15:02), 0.2.6 (2024-05-11 13:53), 0.2.7 (2024-06-13 16:40), 0.2.8 (2024-06-19 09:30), 0.2.9 (2024-06-23 18:00), 0.2.10 (2024-10-18 07:40), 0.2.11 (2024-12-04 23:40), 0.2.12 (2025-01-17 13:30)
Other packages that cited lrstat R package
View lrstat citation profile
Other R packages that lrstat depends,
imports, suggests or enhances
Complete documentation for lrstat
Functions, R codes and Examples using
the lrstat R package
Some associated functions: accrual . ad . adaptDesign . caltime . errorSpent . exitprob . fadjpbon . fadjpdun . fadjpsim . findInterval2 . fmodmix . fseqbon . fstdmix . fstp2seq . ftrunc . fwgtmat . getADCI . getADRCI . getAccrualDurationFromN . getBound . getCI . getCP . getDesign . getDurationFromNevents . getNeventsFromHazardRatio . getRCI . hd . kmest . kmest1 . lrpower . lrsamplesize . lrsim . lrsim2e . lrsim2e3a . lrsim3a . lrstat-package . lrstat . lrstat1 . natrisk . nevent . nevent2 . param_accrualDuration . param_accrualIntensity . param_accrualTime . param_allocationRatioPlanned . param_alpha . param_criticalValues . param_efficacyStopping . param_estimateHazardRatio . param_fixedFollowup . param_followupTime . param_futilityBounds . param_futilityStopping . param_gamma . param_gamma1 . param_gamma1_stratified . param_gamma2 . param_gamma2_stratified . param_hazardRatioH0 . param_informationRates . param_kMax . param_lambda . param_lambda1 . param_lambda1_stratified . param_lambda2 . param_lambda2_stratified . param_maxFollowupTime . param_minFollowupTime . param_numSubintervals . param_parameterAlphaSpending . param_parameterBetaSpending . param_piecewiseSurvivalTime . param_rho1 . param_rho2 . param_stratumFraction . param_typeAlphaSpending . param_typeBetaSpending . param_typeOfComputation . param_userAlphaSpending . param_userBetaSpending . patrisk . pd . pevent . print.adaptDesign . print.design . print.lrpower . print.lrsim . qtpwexp . repeatedPValue . updateGraph .
Some associated R codes: RcppExports.R . lrstat-package.R . parameter_descriptions.R . prints.R . wrappers.R . Full lrstat package functions and examples
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