* using log directory ‘/srv/hornik/tmp/CRAN_pretest/metafrontier.Rcheck’
* using R Under development (unstable) (2026-04-11 r89869)
* using platform: x86_64-pc-linux-gnu
* R was compiled by
    Debian clang version 21.1.8 (3+b1)
    Debian flang version 21.1.8 (3+b1)
* running under: Debian GNU/Linux forky/sid
* using session charset: UTF-8
* current time: 2026-04-12 08:42:40 UTC
* checking for file ‘metafrontier/DESCRIPTION’ ... OK
* checking extension type ... Package
* this is package ‘metafrontier’ version ‘0.2.1’
* package encoding: UTF-8
* checking CRAN incoming feasibility ... [3s/4s] NOTE
Maintainer: ‘Erik Enstad <erik.enstad@nhh.no>’

New submission

Possibly misspelled words in DESCRIPTION:
  Battese (13:63, 17:47)
  Liu (15:54)
  Malmquist (16:59)
  Metafrontier (3:20)
  Rao (14:5, 17:38)
  SFA (12:24)
  metafrontier (9:25, 13:47, 15:20, 16:46)
  metafrontiers (13:5)

Package has a VignetteBuilder field but no prebuilt vignette index.

Found the following (possibly) invalid DOIs:
  DOI: 10.1007/s11123-014-0397-1
    From: DESCRIPTION
          man/metafrontier-package.Rd
          man/metafrontier.Rd
    Status: 404
    Message: Not Found
  DOI: 10.1023/B:PROD.0000016869.68578.b7
    From: DESCRIPTION
          man/metafrontier-package.Rd
          man/metafrontier.Rd
    Status: 404
    Message: Not Found
* checking package namespace information ... OK
* checking package dependencies ... OK
* checking if this is a source package ... OK
* checking if there is a namespace ... OK
* checking for executable files ... OK
* checking for hidden files and directories ... OK
* checking for portable file names ... OK
* checking for sufficient/correct file permissions ... OK
* checking whether package ‘metafrontier’ can be installed ... [2s/2s] OK
* checking package directory ... OK
* checking for future file timestamps ... OK
* checking DESCRIPTION meta-information ... OK
* checking top-level files ... OK
* checking for left-over files ... OK
* checking index information ... OK
* checking package subdirectories ... OK
* checking code files for non-ASCII characters ... OK
* checking R files for syntax errors ... OK
* checking whether the package can be loaded ... [1s/1s] OK
* checking whether the package can be loaded with stated dependencies ... [1s/1s] OK
* checking whether the package can be unloaded cleanly ... [1s/1s] OK
* checking whether the namespace can be loaded with stated dependencies ... [1s/1s] OK
* checking whether the namespace can be unloaded cleanly ... [1s/1s] OK
* checking loading without being on the library search path ... [0s/0s] OK
* checking whether startup messages can be suppressed ... [1s/1s] OK
* checking use of S3 registration ... OK
* checking dependencies in R code ... OK
* checking S3 generic/method consistency ... OK
* checking replacement functions ... OK
* checking foreign function calls ... OK
* checking R code for possible problems ... [9s/9s] OK
* checking Rd files ... [0s/0s] OK
* checking Rd metadata ... OK
* checking Rd line widths ... OK
* checking Rd cross-references ... OK
* checking for missing documentation entries ... OK
* checking for code/documentation mismatches ... OK
* checking Rd \usage sections ... OK
* checking Rd contents ... OK
* checking for unstated dependencies in examples ... OK
* checking files in ‘vignettes’ ... WARNING
Files in the 'vignettes' directory but no files in 'inst/doc':
  ‘introduction.Rmd’ ‘malmquist.Rmd’ ‘methods.Rmd’
* checking examples ... [3s/3s] OK
* checking for unstated dependencies in ‘tests’ ... OK
* checking tests ... [28s/28s] OK
  Running ‘stress_collinearity.R’ [1s/1s]
  Running ‘stress_test_reviewer6.R’ [4s/4s]
  Running ‘testthat.R’ [23s/23s]
* checking for unstated dependencies in vignettes ... OK
* checking package vignettes ... WARNING
Directory 'inst/doc' does not exist.
Package vignettes without corresponding single PDF/HTML:
  ‘introduction.Rmd’
  ‘malmquist.Rmd’
  ‘methods.Rmd’
* checking re-building of vignette outputs ... [7s/7s] OK
* checking PDF version of manual ... [3s/3s] OK
* checking HTML version of manual ... [1s/1s] OK
* checking for non-standard things in the check directory ... OK
* checking for detritus in the temp directory ... OK
* DONE
Status: 2 WARNINGs, 1 NOTE