verhoeff

Implementation of the 'Verhoeff' Check Digit Algorithm

v0.4.0 · Jan 26, 2021 · GPL-3

Description

An implementation of the 'Verhoeff' algorithm for calculating check digits (Verhoeff, J. (1969) <doi:10.1002/zamm.19710510323>). Functions are provided to calculate a check digit given an input number, calculate and append a check digit to an input number, and validate that a check digit is correct given an input number.

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CRAN Check Status

5 NOTE

9 OK

Show all 14 flavors

Flavor	Status	Time
r-devel-linux-x86_64-debian-clang	NOTE	23.2s
r-devel-linux-x86_64-debian-gcc	NOTE	19.2s
r-devel-linux-x86_64-fedora-clang	OK	32.1s
r-devel-linux-x86_64-fedora-gcc	OK	30.8s
r-devel-macos-arm64	OK	10s
r-devel-windows-x86_64	OK	46s
r-oldrel-macos-arm64	NOTE
r-oldrel-macos-x86_64	NOTE	20s
r-oldrel-windows-x86_64	NOTE	47s
r-patched-linux-x86_64	OK	20.1s
r-release-linux-x86_64	OK	19.2s
r-release-macos-arm64	OK
r-release-macos-x86_64	OK	24s
r-release-windows-x86_64	OK	41s

Check details (5 non-OK)

NOTE r-devel-linux-x86_64-debian-clang

CRAN incoming feasibility

Maintainer: ‘Conor Neilson <condwanaland@gmail.com>’

No Authors@R field in DESCRIPTION.
Please add one, modifying
  Authors@R: person(given = "Conor",
                    family = "Neilson",
                    role = c("aut", "cre"),
                    email = "condwanaland@gmail.com")
as necessary.

NOTE r-devel-linux-x86_64-debian-gcc

CRAN incoming feasibility

Maintainer: ‘Conor Neilson <condwanaland@gmail.com>’

No Authors@R field in DESCRIPTION.
Please add one, modifying
  Authors@R: person(given = "Conor",
                    family = "Neilson",
                    role = c("aut", "cre"),
                    email = "condwanaland@gmail.com")
as necessary.

NOTE r-oldrel-macos-arm64

LazyData

'LazyData' is specified without a 'data' directory

NOTE r-oldrel-macos-x86_64

LazyData

'LazyData' is specified without a 'data' directory

NOTE r-oldrel-windows-x86_64

LazyData

'LazyData' is specified without a 'data' directory

Check History

NOTE 9 OK · 5 NOTE · 0 WARNING · 0 ERROR · 0 FAILURE Mar 10, 2026

NOTE r-devel-linux-x86_64-debian-clang

CRAN incoming feasibility

Maintainer: ‘Conor Neilson <condwanaland@gmail.com>’

No Authors@R field in DESCRIPTION.
Please add one, modifying
  Authors@R: person(given = "Conor",
                    family = "Neilson",
                    role = c("aut", "cre"),
                    email = "condwanaland@gmail.com")
as necessary.

NOTE r-devel-linux-x86_64-debian-gcc

CRAN incoming feasibility

Maintainer: ‘Conor Neilson <condwanaland@gmail.com>’

No Authors@R field in DESCRIPTION.
Please add one, modifying
  Authors@R: person(given = "Conor",
                    family = "Neilson",
                    role = c("aut", "cre"),
                    email = "condwanaland@gmail.com")
as necessary.

NOTE r-oldrel-macos-arm64

LazyData

'LazyData' is specified without a 'data' directory

NOTE r-oldrel-macos-x86_64

LazyData

'LazyData' is specified without a 'data' directory

NOTE r-oldrel-windows-x86_64

LazyData

'LazyData' is specified without a 'data' directory

Version History

new 0.4.0 Mar 10, 2026