Package: ssutil
Title: Sample Size Calculation Tools
Version: 1.2.0
Authors@R: c(
  person(
    given = "John J.",
    family = "Aponte",
    role = c("aut", "cre"),
    email = "john.j.aponte@gmail.com",
    comment = c(ORCID = "0000-0002-3014-3673")),
  person(
    given = "Chris", 
    family = "Gast", 
    email = "cgast@path.org", 
    role = "ctb")
  )
Description: Functions for sample size estimation and simulation in
        clinical trials. Includes methods for selecting the best group
        using the Indifference-zone approach, as well as designs for
        non-inferiority, equivalence, and negative binomial models. For
        the sample size calculation for non-inferiority of vaccines,
        the approach is based on Fleming, Powers, and Huang (2021)
        <doi:10.1177/1740774520988244>. The Indifference-zone approach
        is based on Sobel and Huyett (1957)
        <doi:10.1002/j.1538-7305.1957.tb02411.x> and Bechhofer,
        Santner, and Goldsman (1995, ISBN:978-0-471-57427-9).
License: AGPL (>= 3)
Encoding: UTF-8
Roxygen: list(markdown = TRUE)
Depends: R (>= 4.1)
Suggests: knitr, rmarkdown, spelling, testthat (>= 3.0.0)
Language: en-US
Imports: stats, stringr, broom, MASS, mvtnorm, tibble
Config/testthat/edition: 3
VignetteBuilder: knitr
URL: https://johnaponte.github.io/ssutil/,
        https://github.com/johnaponte/ssutil
BugReports: https://github.com/johnaponte/ssutil/issues
Config/roxygen2/version: 8.1.0
Config/pak/sysreqs: libicu-dev
Repository: https://johnaponte.r-universe.dev
Date/Publication: 2026-09-17 15:42:25 UTC
RemoteUrl: https://github.com/johnaponte/ssutil
RemoteRef: HEAD
RemoteSha: 765669b0c9830f4dfe34d1f3e000db1dd4a86c48
NeedsCompilation: no
Packaged: 2026-09-20 12:09:04 UTC; root
Author: John J. Aponte [aut, cre] (ORCID:
    <https://orcid.org/0000-0002-3014-3673>),
  Chris Gast [ctb]
Maintainer: John J. Aponte <john.j.aponte@gmail.com>