* using log directory ‘/srv/hornik/tmp/CRAN_pretest/invivoPKfit.Rcheck’
* using R Under development (unstable) (2024-12-18 r87448)
* using platform: x86_64-pc-linux-gnu
* R was compiled by
    Debian clang version 19.1.1 (1)
    Debian flang-new version 19.1.1 (1)
* running under: Debian GNU/Linux trixie/sid
* using session charset: UTF-8
* checking for file ‘invivoPKfit/DESCRIPTION’ ... OK
* checking extension type ... Package
* this is package ‘invivoPKfit’ version ‘2.0.0’
* package encoding: UTF-8
* checking CRAN incoming feasibility ... [4s/4s] NOTE
Maintainer: ‘John Wambaugh <wambaugh.john@epa.gov>’

New submission

Possibly misspelled words in DESCRIPTION:
  HTTK (3:13)
  Vivo (3:31)
  toxicokinetic (8:28)
  vivo (8:23)

No Authors@R field in DESCRIPTION.
Please add one, modifying
  Authors@R: c(person(given = "Caroline",
                      family = "Ring",
                      role = "aut"),
               person(given = "John",
                      family = "Wambaugh",
                      role = c("aut", "cre"),
                      email = "wambaugh.john@epa.gov"),
               person(given = "Chris",
                      family = "Cook",
                      role = "aut"),
               person(given = c("Gilberto", "Padilla"),
                      family = "Mercado",
                      role = "aut"))
as necessary.

The Title field should be in title case. Current version is:
  ‘Fits HTTK Models to In Vivo PK Data Sets’
In title case that is:
  ‘Fits HTTK Models to in Vivo PK Data Sets’

The Date field is over a month old.
* checking package namespace information ... OK
* checking package dependencies ... ERROR
Namespace dependency missing from DESCRIPTION Imports/Depends entries: ‘Matrix’

See section ‘The DESCRIPTION file’ in the ‘Writing R Extensions’
manual.
* DONE
Status: 1 ERROR, 1 NOTE