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JC

Jon Clayden

20 packages On CRAN since May 2009 (17 years) · last active 6 days ago 0000-0002-6608-0619

Downloads

188.4K

Last 30 days

591.6K

Last 90 days

3M

Last year

Average trend: +32.8% (30d vs prior 30d)

Top Packages by Downloads

covr
155.2K
shades
14.9K
RNifti
4.2K
oro.nifti
2.3K
ore
1.4K
ijtiff
1.3K
mmand
1.2K
reportr
1.1K

Portfolio Check Status

Aggregate CRAN check results across 15 maintained packages.

3

WARNING

3

NOTE

189

OK

Needs attention

Recent Activity

reportr updated v2.0.0 Oct 13, 2026

A General Message and Error Reporting System

ore updated v1.8.0 Oct 7, 2026

An R Interface to the Onigmo Regular Expression Library

RcppArray updated v0.3.1 Sep 18, 2026

'Rcpp' Meets 'C++' Arrays

arrg updated v0.2.0 Sep 16, 2026

Flexible Argument Parsing for R Scripts

imply new v0.1.0 Sep 15, 2026

Efficiently Apply Functions to Images

soma updated v1.2.1 Aug 21, 2026

General-Purpose Optimisation with the Self-Organising Migrating Algorithm

RNiftyReg updated v2.8.6 Aug 21, 2026

Image Registration Using the 'NiftyReg' Library

tractor.base updated v3.5.2.1 Aug 21, 2026

Read, Manipulate and Visualise Magnetic Resonance Images

RNifti updated v1.10.0 Aug 20, 2026

Fast R and C++ Access to NIfTI Images

mritc updated v0.6.2 Aug 19, 2026

MRI Tissue Classification

Maintained Packages

15 packages

Package Version
shades 14.9K downloads/30d 1.5.0
RNifti 4.2K downloads/30d 1.10.0
RNiftyReg 2K downloads/30d 2.8.6
ore 1.4K downloads/30d 1.8.0
mmand 1.2K downloads/30d 1.7.0
reportr 1.1K downloads/30d 2.0.0
tractor.base 913 downloads/30d 3.5.2.1
divest 560 downloads/30d 1.2.0
arrg 525 downloads/30d 0.2.0
RcppArray 496 downloads/30d 0.3.1
soma 424 downloads/30d 1.2.1
imply 421 downloads/30d 0.1.0
mritc 361 downloads/30d 0.6.2
loder 309 downloads/30d 0.2.1
imbibe 273 downloads/30d 0.1.1

Contributions

2 packages

Package Version
covr 155.2K downloads/30d 3.6.5
oro.nifti 2.3K downloads/30d 0.11.4

Other Roles

3 packages

Package Version
ijtiff 1.3K downloads/30d 3.2.0
trud 344 downloads/30d 0.2.1
tacmagic 258 downloads/30d 0.3.1

Package repositories

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

Finding nothing does not mean no tool was used. How this is detected.

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