NEWS

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BATSS 1.2.0 (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

BATSS 1.1.1 (2025-10-02)

• Minor changes to summary.batss, that now
  • handles trials where both efficacy and futility conditions are simultaneously met
  • prints the sample size per look
• Minor change to plot.batss, that now accepts a new argument, beta

BATSS 1.1.0 (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 website: new 'ANCOVA' and 'Parallelisation' pages

BATSS 1.0.1 (2025-08-27)

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

BATSS 1.0.0 (2024-10-02)

• Improvements to checks
• Improvements to internal/generic functions

BATSS 0.7.15

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

BATSS 0.7.14 (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)

BATSS 0.7.13

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

BATSS 0.7.12

• Initial release of BATSS with pkgdown