Skip to contents

Changelog

Version 2.0.6

  • Fixes a bug in batss.surv (reported by Stina Zetterstrom) that required intervention groups to be listed in alphabetical order in prob0 for the corresponding allocation probabilities to be correctly assigned when using RAR.

Version 2.0.5

  • Resolution of bugs affecting censoring in some scenarios.

Version 2.0.4

  • Minor improvement to summary.batss to handles case with only one treatment arm (thanks to Trinh, N.-D. for the feedback)

Version 2.0.3

  • Resolution of bugs affecting censoring in some scenarios.

Version 2.0.2

  • Add LICENCE.txt and README.md files

Version 2.0.1

  • Minor improvements to internal/generic functions

Version 2.0.0

  • New batss.surv function for time-to-event endpoints: batss.surv creates batss class objects of type surv with dediacted print, summary and plots methods.
  • Update of the website:
    • New ‘Survival endpoint’ example
    • New ‘Interim schedule’ page
    • Improved ‘Priors’ page now including information specific to survival endpoints

Version 1.2.1

  • Fixes a bug in batss.glm (reported by Stina Zetterstrom) that required intervention groups to be listed in alphabetical order in prob0 for the corresponding allocation probabilities to be correctly assigned when using RAR.

Version 1.2.0

CRAN release: 2026-05-28

  • Improvements to batss.glm:
    • interim = NA now specifies a fixed (non-adaptive) design with a single look at the maximum sample size N
    • better warnings
  • Fixes to minor bugs detected by Claude (Opus 4.6) in version 1.1.1 of batss.glm, batss.combine, summary.batss, plot.batss and internal functions, including a fix to eff.trial.control and fut.trial.control being ignored in trial-level stopping decisions

Version 1.1.0

CRAN release: 2025-09-21

  • Improvements to summary.batss, that now
    • works with additional predictors to the treatment effect
    • allows to save outputs (as objects of class summary.batss with corresponding print function)
  • Improvements to plot.batss, that now includes
    • a violin plot of sample sizes per group,
    • a barplot of the probability of stopping the trial at each look
  • Update of the website: new ‘ANCOVA’ and ‘Parallelisation’ pages

Version 1.0.1

CRAN release: 2025-08-27

Version 1.0.0

CRAN release: 2024-10-02

  • Improvements to checks
  • Improvements to internal/generic functions

Version 0.7.15

  • Resolution of a bug affecting designs with a single target parameter

Version 0.7.14

CRAN release: 2024-07-14

  • Improvements to functions plot.batss and summary.batss related to cases in which efficacy and futility criteria are simulatneously met for an arm
  • Minor improvements (help pages, printed messages)

Version 0.7.13

  • Minor improvements to function plot.batss
  • Minor changes to the vignette dedicated to a binomial endpoint

Version 0.7.12

  • Initial release of BATSS with pkgdown