Package: gsearly
Type: Package
Title: Creates Group Sequential Trial Designs when Early Outcomes are
        Available
Version: 1.1.1
Date: 2026-07-14
Authors@R: c(
    person(
      "Nick", "Parsons",
      email = "nick.parsons@warwick.ac.uk",
      role = c("aut", "cre"),
      comment = c(ORCID = "0000-0001-9975-888X")
    )
  )
Maintainer: Nick Parsons <nick.parsons@warwick.ac.uk>
Description: Methods to construct and power group sequential clinical
        trial designs for outcomes at multiple times. Outcomes at
        earlier times provide information on the final (primary)
        outcome. A range of recruitment and correlation models are
        available as are methods to simulate data in order to explore
        design operating characteristics. For more details see Parsons
        (2024) <doi:10.1186/s12874-024-02174-w>.
Depends: R (>= 4.1.2)
Imports: graphics, grDevices, gsDesign (>= 3.2.1), methods, mvtnorm (>=
        1.2-4), nlme (>= 3.1-160), stats, utils
License: GPL (>= 2)
Encoding: UTF-8
LazyData: true
NeedsCompilation: no
Packaged: 2026-07-15 11:32:51 UTC; root
Author: Nick Parsons [aut, cre] (ORCID:
        <https://orcid.org/0000-0001-9975-888X>)
Config/pak/sysreqs: cmake make libicu-dev libuv1-dev libxml2-dev
        libssl-dev libnode-dev
Repository: https://astroherring.r-universe.dev
Date/Publication: 2026-07-15 09:24:48 UTC
RemoteUrl: https://github.com/cran/gsearly
RemoteRef: HEAD
RemoteSha: 0830dddb32b48db57d04954118aced40c7bf680d