gsDesign2 1.0.8

Improvements

• Update the calculation of upper/lower bounds at the final analysis in MaxCombo tests (#217).
• Update the fixed_design() function in the application of stratified design when using the Lachin and Foulkes method (#211).
• Correct the fixed_design() function in the application of rmst (#212).
• Rename the info_scale argument options from c(0, 1, 2) to c("h0_h1_info", "h0_info", "h1_info") to be more informative and make the default value ("h0_h1_info") clear (#203).
• Add missing global functions/variables (#213).
• Fix outdated argument names and use canonical style for text elements in README (#198).
• Add a CRAN downloads badge to the readme to show the monthly downloads (#216).

Bug fixes

• Fix the calculation of the futility bounds in gs_power_ahr() (#202).

gsDesign2 1.0.7

Improvements

• Move imported dependencies from Suggests to Imports.
• Remove redundant dependencies from Suggests.
• Update the GitHub Actions workflows to their latest versions from upstream.
• Add a rule to .gitattributes for GitHub Linguist to keep the repository's language statistics accurate.

gsDesign2 1.0.6

This is a resubmission to CRAN following the first submission of v1.0.5.

• Export functions gridpts(), h1(), hupdate(), and gs_create_arm() to avoid the use of ::: in code examples.
• Fix the write path issue by moving the test fixture generation script to data-raw/ which is not included in the package.

gsDesign2 1.0.5

This is the first submission to CRAN in March 2023.

Breaking changes

• Passes lintr check for the entire package (#150, #151, #171).
• Improve the documentation (#161, #163, #168, #176).

Bug fixes

• check_fail_rate() when only 1 number in fail_rate is > 0 (#132).
• gs_power_ahr() when study duration is > 48 months (#141).
• fixed_design() for event-based design (#143).
• gs_design_combo() when the test only applies to part of the analysis (#148).
• gs_info_rd() for variance calculation (#153).
• summary() for the capitalized first letter in the summary header (#164).

gsDesign2 1.0.0

The version

• merges the gsDesign2 v0.2.1 and gsdmvn;
• supports organized summary tables and gt tables;
• has power/sample size calculation for risk difference;
• has functionality for integer sample size;
• updates API (see the 1:1 map between the old API vs. new API in #84);
• fixes historical small bugs like
  • expected_accrual for the stratified population;
  • gs_spending_bound when IA is close to FA;
  • gs_power_bound when applied in the max combo test;
  • gs_design_npe for type I error;
  • ...
• develops fixed_design to implement different methods for power/sample size calculation;
• adds info_scale arguments to gs_design_xxx and gs_power_xxx;
• adds RMST and milstone methods into fixed design;
• adds and re-organizes vignettes.

gsDesign2 0.2.1

This version is the one before the merge with Merck/gsdmvn.

gsDesign2 0.2.0

This version supports the Biometrical Journal paper "A unified framework for weighted parametric group sequential design (WPGSD)" by Keaven M. Anderson, Zifang Guo, Jing Zhao, and Linda Z. Sun.