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safestats  

Safe Anytime-Valid Inference
View on CRAN: Click here


Download and install safestats package within the R console
Install from CRAN:
install.packages("safestats")

Install from Github:
library("remotes")
install_github("cran/safestats")

Install by package version:
library("remotes")
install_version("safestats", "0.8.7")



Attach the package and use:
library("safestats")
Maintained by
Alexander Ly
[Scholar Profile | Author Map]
First Published: 2022-02-01
Latest Update: 2022-11-24
Description:
Functions to design and apply tests that are anytime valid. The functions can be used to design hypothesis tests in the prospective/randomised control trial setting or in the observational/retrospective setting. The resulting tests remain valid under both optional stopping and optional continuation. The current version includes safe t-tests and safe tests of two proportions. For details on the theory of safe tests, see Grunwald, de Heide and Koolen (2019) "Safe Testing" , for details on safe logrank tests see ter Schure, Perez-Ortiz, Ly and Grunwald (2020) "The Safe Logrank Test: Error Control under Continuous Monitoring with Unlimited Horizon" and Turner, Ly and Grunwald (2021) "Safe Tests and Always-Valid Confidence Intervals for contingency tables and beyond" for details on safe contingency table tests.
How to cite:
Alexander Ly (2022). safestats: Safe Anytime-Valid Inference. R package version 0.8.7, https://cran.r-project.org/web/packages/safestats. Accessed 24 Apr. 2025.
Previous versions and publish date:
0.8.6 (2022-02-01 09:50)
Other packages that cited safestats R package
View safestats citation profile
Other R packages that safestats depends, imports, suggests or enhances
Complete documentation for safestats
Functions, R codes and Examples using the safestats R package
Some associated functions: checkAndReturnsEsMinParameterSide . checkAndReturnsNPlan . checkDoubleArgumentsDesignObject . computeBetaBatchSafeZ . computeBetaSafeT . computeBetaSafeZ . computeBootObj . computeConfidenceBoundForLogOddsTwoProportions . computeConfidenceBoundsForDifferenceTwoProportions . computeConfidenceIntervalT . computeConfidenceIntervalZ . computeEsMinSafeT . computeLogrankBetaFrom . computeLogrankNEvents . computeLogrankZ . computeMinEsBatchSafeZ . computeNEff . computeNPlanBatchSafeT . computeNPlanBatchSafeZ . computeNPlanSafeT . computeNPlanSafeZ . computeStatsForLogrank . defineTTestN . designFreqT . designFreqZ . designPilotSafeT . designPilotSafeZ . designSafeLogrank . designSafeT . designSafeTwoProportions . designSafeZ . extractNameFromArgs . generateNormalData . generateSurvData . getArgs . getNameAlternative . getNameTestType . isTryError . logrankSingleEExact . logrankSingleZ . plot.safe2x2Sim . plot.safeTSim . plotConfidenceSequenceTwoProportions . plotHistogramDistributionStoppingTimes . plotSafeTDesignSampleSizeProfile . print.safe2x2Sim . print.safeDesign . print.safeTSim . print.safeTest . rLogrank . replicateTTests . returnOne . safeLogrankTest . safeTTest . safeTTestStat . safeTTestStatAlpha . safeTTestStatTDensity . safeTwoProportionsTest . safeZ10Inverse . safeZTest . safeZTestStat . sampleLogrankStoppingTimes . sampleStoppingTimesSafeT . sampleStoppingTimesSafeZ . selectivelyContinueTTestCombineData . setSafeStatsPlotOptionsAndReturnOldOnes . simulate.safeDesign . simulateCoverageDifferenceTwoProportions . simulateIncorrectStoppingTimesFisher . simulateOptionalStoppingScenarioTwoProportions . simulateTwoProportions . tryOrFailWithNA . 
Some associated R codes: helpers.R . logRankTest.R . safe2x2Test.R . safeS3Methods.R . tTest.R . zTest.R .  Full safestats package functions and examples
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