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Trevor Davis

Also published as Trevor L Davis, Trevor L. Davis

20 packages On CRAN since Jul 2013 (13 years) · last active 3 days ago 0000-0001-6341-4639

Downloads

2M

Last 30 days

6.3M

Last 90 days

27.6M

Last year

Average trend: -12% (30d vs prior 30d)

Top Packages by Downloads

knitr
1.1M
rappdirs
907.1K
rio
37.2K
optparse
18.6K
ggpattern
10.4K
argparse
4.6K
getopt
3.2K

Portfolio Check Status

Aggregate CRAN check results across 15 maintained packages.

195

OK

Recent Activity

rio updated v1.3.1 Oct 23, 2026

A Swiss-Army Knife for Data I/O

piecepackr updated v1.17.1 Oct 23, 2026

Board Game Graphics

knitr updated v1.52 Sep 6, 2026

A General-Purpose Package for Dynamic Report Generation in R

xmpdf updated v0.3.1 Aug 25, 2026

Edit 'XMP' Metadata and 'PDF' Bookmarks and Documentation Info

gridpattern updated v1.4.2 Jun 23, 2026

'grid' Pattern Grobs

ledger updated v2.1.1 Jun 12, 2026

Utilities for Importing Data from Plain Text Accounting Files

piecepackr updated v1.16.1 May 12, 2026

Board Game Graphics

affiner updated v0.3.1 May 10, 2026

A Finer Way to Render 3D Illustrated Objects in 'grid' Using Affine Transformations

getopt updated v1.21.1 Apr 27, 2026

C-Like 'getopt' Behavior

optparse updated v1.8.2 Apr 17, 2026

Command Line Option Parser

Maintained Packages

15 packages

Package Version
optparse 18.6K downloads/30d 1.8.2
ggpattern 10.4K downloads/30d 1.3.1
gridpattern 9.6K downloads/30d 1.4.2
argparse 4.6K downloads/30d 2.3.1
findpython 4K downloads/30d 1.0.9
getopt 3.2K downloads/30d 1.21.1
piecepackr 744 downloads/30d 1.17.1
affiner 458 downloads/30d 0.3.1
bittermelon 441 downloads/30d 2.3.1
datetimeoffset 383 downloads/30d 1.0.0
xmpdf 373 downloads/30d 0.3.1
ledger 361 downloads/30d 2.1.1
bracer 297 downloads/30d 1.2.2
oblicubes 278 downloads/30d 1.0.1
hexfont 245 downloads/30d 1.0.0

Co-authored Packages

2 packages

Package Version
rappdirs 907.1K downloads/30d 0.3.4
readobj 397 downloads/30d 0.4.1

Contributions

3 packages

Package Version
knitr 1.1M downloads/30d 1.52
rio 37.2K downloads/30d 1.3.1
flir 386 downloads/30d 0.6.0

Package repositories

Repositories of packages Trevor Davis maintains where an AI coding tool was found. Other people commit to these repositories too, so each line describes the repository, not Trevor Davis's own work.

  • Packages: piecepackr
    • Claude Codefirst seen 2026-03-25
      Named in .Rbuildignore: .claude
      Named in .gitignore: .claude
      Pull request it wrote: opened by a project member
      Commits: at least 66 crediting it in the message
  • Packages: affiner
    • Claude Codefirst seen on or before 2026-03-29
      Named in .Rbuildignore: .claude
      Named in .gitignore: .claude
      Pull request it wrote: opened by a project member
      Commits: at least 24 crediting it in the message
  • Packages: bittermelon
    • Claude Codefirst seen 2026-03-22
      Named in .Rbuildignore: .claude
      Named in .gitignore: .claude
      Pull request it wrote: opened by a project member
      Commits: at least 15 crediting it in the message
  • Packages: ggpattern
    • Claude Codefirst seen 2026-02-19
      Named in .Rbuildignore: .claude
      Named in .gitignore: .claude
      Commits: at least 4 crediting it in the message
  • Packages: gridpattern
    • Claude Codefirst seen 2026-04-01
      Named in .Rbuildignore: .claude
      Named in .gitignore: .claude
      Pull request it wrote: opened by a project member
      Commits: at least 11 crediting it in the message
  • Packages: argparse
    • Claude Codefirst seen 2026-03-22
      Named in .Rbuildignore: .claude
      Named in .gitignore: .claude
      Commits: at least 1 crediting it in the message
  • Packages: getopt
    • Claude Codefirst seen 2026-03-16
      Named in .Rbuildignore: .claude
      Named in .gitignore: .claude
      Pull request it wrote: opened by a project member
      Commits: at least 11 crediting it in the message
  • Packages: ledger
    • Claude Codefirst seen 2026-03-28
      Named in .Rbuildignore: .claude
      Named in .gitignore: .claude
      Commits: at least 8 crediting it in the message
  • Packages: optparse
    • Claude Codefirst seen 2026-03-17
      Named in .Rbuildignore: .claude
      Named in .gitignore: .claude
      Commits: at least 13 crediting it in the message
  • Packages: xmpdf
    • Claude Codefirst seen 2026-08-13
      Named in .Rbuildignore: .claude
      Named in .gitignore: .claude
      Commits: at least 3 crediting it in the message

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