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POSSA  

Power Simulation for Sequential Analyses and Multiple Hypotheses
View on CRAN: Click here


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

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

Install by package version:
library("remotes")
install_version("POSSA", "0.6.5")



Attach the package and use:
library("POSSA")
Maintained by
Gáspár Lukács
[Scholar Profile | Author Map]
All associated links for this package
First Published: 2022-07-18
Latest Update: 2025-09-03
Description:
Calculates, via simulation, power and appropriate stopping alpha boundaries (and/or futility bounds) for sequential analyses (i.e., group sequential design) as well as for multiple hypotheses (multiple tests included in an analysis), given any specified global error rate. This enables the sequential use of practically any significance test, as long as the underlying data can be simulated in advance to a reasonable approximation. Luk
How to cite:
Gáspár Lukács (2022). POSSA: Power Simulation for Sequential Analyses and Multiple Hypotheses. R package version 0.6.5, https://cran.r-project.org/web/packages/POSSA. Accessed 12 Oct. 2026.
Previous versions and publish date:
(2026-07-09 08:16), 0.5.5 (2022-07-18 14:00), 0.6.1 (2022-08-29 10:30), 0.6.3 (2023-03-14 17:10), 0.6.4 (2023-04-22 09:50)
Other packages that cited POSSA R package
View POSSA citation profile
Other R packages that POSSA depends, imports, suggests or enhances
Complete documentation for POSSA
Functions, R codes and Examples using the POSSA R package
Some associated functions: POSSA-package . get_p . pow . print.possa_pow_df . print.possa_pow_list . print.possa_sim_df . sim . 
Some associated R codes: POSSA.R . get_p.R . imports.R . internal.R . pow.R . print.possa_pow_df.R . print.possa_sim_df.R . sim.R .  Full POSSA package functions and examples
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