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gramEvol

Grammatical Evolution for R

v2.1-4 · Jul 18, 2020 · GPL (>= 2)

Description

A native R implementation of grammatical evolution (GE). GE facilitates the discovery of programs that can achieve a desired goal. This is done by performing an evolutionary optimisation over a population of R expressions generated via a user-defined context-free grammar (CFG) and cost function.

Downloads

CRAN

338

Last 30 days

13154th

876

Last 90 days

4.7K

Last year

Trend: +39.7% (30d vs prior 30d)

r2u CRAN

0

Last 30 days

23

Last 90 days

93

Last year

Trend: -100% (30d vs prior 30d)

autoCRAN

1

Last 7 days

23

Last 30 days

1

All-time

autoCRAN-only: this name is served only by autoCRAN, so the count is exact.

CRAN Check Status

2 NOTE
11 OK
Show all 13 flavors
Flavor Status
r-devel-linux-x86_64-debian-clang NOTE
r-devel-linux-x86_64-debian-gcc NOTE
r-devel-linux-x86_64-fedora-clang OK
r-devel-linux-x86_64-fedora-gcc OK
r-devel-windows-x86_64 OK
r-oldrel-macos-arm64 OK
r-oldrel-macos-x86_64 OK
r-oldrel-windows-x86_64 OK
r-patched-linux-x86_64 OK
r-release-linux-x86_64 OK
r-release-macos-arm64 OK
r-release-macos-x86_64 OK
r-release-windows-x86_64 OK
Check details (2 non-OK)
NOTE r-devel-linux-x86_64-debian-clang

CRAN incoming feasibility

Maintainer: ‘Farzad Noorian <farzad.noorian@gmail.com>’

No Authors@R field in DESCRIPTION.
Please add one, modifying
  Authors@R: c(person(given = "Farzad",
                      family = "Noorian",
                      role = c("aut", "cre"),
                      email = "farzad.noorian@gmail.com"),
               person(given = c("Anthony", "Mihirana"),
                      family = "de Silva",
                      role = "aut"))
as necessary.
NOTE r-devel-linux-x86_64-debian-gcc

CRAN incoming feasibility

Maintainer: ‘Farzad Noorian <farzad.noorian@gmail.com>’

No Authors@R field in DESCRIPTION.
Please add one, modifying
  Authors@R: c(person(given = "Farzad",
                      family = "Noorian",
                      role = c("aut", "cre"),
                      email = "farzad.noorian@gmail.com"),
               person(given = c("Anthony", "Mihirana"),
                      family = "de Silva",
                      role = "aut"))
as necessary.

Check History

NOTE 12 OK · 2 NOTE · 0 WARNING · 0 ERROR · 0 FAILURE Mar 10, 2026
NOTE r-devel-linux-x86_64-debian-clang

CRAN incoming feasibility

Maintainer: ‘Farzad Noorian <farzad.noorian@gmail.com>’

No Authors@R field in DESCRIPTION.
Please add one, modifying
  Authors@R: c(person(given = "Farzad",
                      family = "Noorian",
                      role = c("aut", "cre"),
                      email = "farzad.noorian@gmail.com"),
               person(given = c("Anthony", "Mihirana"),
                      family = "de Silva",
                      role = "aut"))
as necessary.
NOTE r-devel-linux-x86_64-debian-gcc

CRAN incoming feasibility

Maintainer: ‘Farzad Noorian <farzad.noorian@gmail.com>’

No Authors@R field in DESCRIPTION.
Please add one, modifying
  Authors@R: c(person(given = "Farzad",
                      family = "Noorian",
                      role = c("aut", "cre"),
                      email = "farzad.noorian@gmail.com"),
               person(given = c("Anthony", "Mihirana"),
                      family = "de Silva",
                      role = "aut"))
as necessary.

Code

Structure

Lines of code

5,621

Files

70

Compiled share

0%

Has compiled src

No

Language breakdown

R 2,071 (36.8%)Tests 443 (7.9%)Docs 1,677 (29.8%)Vignettes 1,430 (25.4%)

API

Exported functions

42

Internal functions

30

Recent export changes

v2.1-4+1 ReplaceInExpression
v2.1-2+1 gvrule

Testing & CI

Has tests

Yes

Test-to-code ratio

0.21

testthat edition

CI present

No

CI type

[]

PR gated

No

Docs

Return-value doc rate

100%

\dontrun example ratio

0%

Roxygen coverage

100%

Has pkgdown

No

NEWS present

Yes

Health & Security signals

Informational signals; not verdicts.

on.exit coverage

0%

Unsafe pattern score

0

Dep constraint coverage

Secret pattern count

0

Bundled 3rd-party code

2 items

Portability & License

Min R version

System requirements

C++ standard

License

GPL (>= 2)

License flags

SPDX valid, OSI approved

History

Versions

7

First release

2014-05-20

Latest release

2020-07-18

Avg cadence

176 days

Cold removal rate

Dep drift

0

LOC over versions

v1.0-1: 1,258 LOCv1.1-1: 1,409 LOCv1.2-1: 1,498 LOCv2.0-2: 5,272 LOCv2.1-2: 5,336 LOCv2.1-3: 5,362 LOCv2.1-4: 5,621 LOC

Per-file churn detail lives in the source pipeline: https://github.com/r-observatory/cran-code-metrics.

Version History

8 tracked
new 2.1-4 Mar 10, 2026
updated 2.1-4 ← 2.1-3 diff Jul 17, 2020
updated 2.1-3 ← 2.1-2 diff Jul 3, 2016
updated 2.1-2 ← 2.0-2 diff Nov 15, 2015
updated 2.0-2 ← 1.2-1 diff Feb 10, 2015
updated 1.2-1 ← 1.1-1 diff Oct 21, 2014
updated 1.1-1 ← 1.0-1 diff Jun 22, 2014
new 1.0-1 May 19, 2014