Changelog

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 1.1.0

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

• New website address (https://batss-stable.github.io/BATSS/)

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