NEWS

---

TrialEmulation 0.0.4.11 (2026-04-10)

• Remove dependency on parglm which has been archived on CRAN.

TrialEmulation 0.0.4.8 (2025-11-19)

• Fix bugs in testing discovered due to updated testthat. Thanks @hadley
• Update links

TrialEmulation 0.0.4.5 (2025-06-13)

• Update tests for duckdb 1.3.0 changes to sampling.
• Require R >= 4.1 for native pipe support.

TrialEmulation 0.0.4.2 (2025-02-21)

• Update tests for duckdb 1.2.0 changes to sampling.

TrialEmulation 0.0.4.0 (2024-11-29)

• Add new extensible S4 class based interface.
  • Step-by-step functions to construct sequence of target trial analysis. See the "New Interface"" vignette.
  • Possibility to add alternative data storage and model fitting functionality. See the "Extending TrialEmulation" vignette.
  • Use duckdb to store expanded data for efficient reading and sampling of large data.
  • Use parsnip models for weight model fitting (experimental, not recommended).
  • This interface is still "experimental" and may change in future
  • Thanks @darkgoldenrod-cherry

TrialEmulation 0.0.3.9 (2024-09-09)

• Improved documentation

• Add estimand_type argument

• Fix partial matching in data.table calls. Thanks @joshhwuu

• Additional internal refactoring

TrialEmulation 0.0.3.2 (2023-08-25)

• Initial release to CRAN

TrialEmulation 0.0.2

• Further feature development and code improvement

• Implemented case-control sampling

• Implemented predict() method

• Package tests and CI pipeline on github

TrialEmulation 0.0.1

• Initial development by Roonak Rezvani as internship project

• Data preparation and model fitting functions for sequence of target trials

• Support for large data using biglm, data.table and chunked processing