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Merged
LittleBeannie merged 3 commits into from
Jun 29, 2026
Merged

CRAN release v1.1.9 #644

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5f341e3
Update DESCRIPTION and NEWS.md for v1.1.9
LittleBeannie Jun 29, 2026
9faa7a0
Fix grammar
LittleBeannie Jun 29, 2026
b5de66c
I guess 2x is not that substantial [ci skip]
yihui Jun 29, 2026
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2 changes: 1 addition & 1 deletion DESCRIPTION
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Package: gsDesign2
Title: Group Sequential Design with Non-Constant Effect
Version: 1.1.8
Version: 1.1.9
Authors@R: c(
person("Keaven", "Anderson", email = "keaven_anderson@merck.com", role = c("aut")),
person("Yujie", "Zhao", email = "yujie.zhao@merck.com", role = c("aut", "cre")),
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21 changes: 20 additions & 1 deletion NEWS.md
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## New features

- The minimal risk weighting strategy has been added to `gs_design_rd()` and `gs_power_rd()` for risk difference design (#611, #614, thanks to @LittleBeannie).
- The `sequential_pval()` function has been added to calculate the sequential p-value for a AHR group sequential design (#605, thanks to @LittleBeannie).
- The `sequential_pval()` function has been added to calculate the sequential p-value for an AHR group sequential design (#605, thanks to @LittleBeannie).
- The `gs_cp()` and `gs_cp_simple()` functions are now available for conditional power computation for AHR designs with non-constant effect size (#550, thanks to @LittleBeannie and @shiyuskaya).

## Bug fixes

- The minor formula mistakes in `gs_info_rd()` have been corrected (#615, thanks to @LittleBeannie).
- The text summary of a stratified design now reports the correct enrollment duration and hazard ratios (#617, #619, thanks to @jdblischak).
- The updated design summary no longer reports the `Time` column (#622, thanks to @LittleBeannie).
- The change point used in the expected accrual calculation has been updated (#628, thanks to @LittleBeannie).

## Improvements

- `gs_design_ahr()` has been optimized to be about 2x faster (#623, thanks to @yihui).
- Return object preparation from `gs_power_npe()` has been optimized (#624, thanks to @jdblischak).

## Documentation

- The README example has been corrected to use the proper `test_upper` value (#621, thanks to @LittleBeannie).

## Testing

- Developer and independent tests have been migrated from testthat to testit (#625, thanks to @yihui).
- Test names and tolerances have been updated for cross-platform consistency (#637, #639, thanks to @jdblischak).
- GitHub Actions workflows have been updated for Node 24, Codecov v6, and automated action updates (#626, #632, #633, #634, thanks to @jdblischak).

# gsDesign2 1.1.8

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