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AJ

Andrew Johnson

Also published as Andrew R. Johnson

17 packages On CRAN since Mar 2021 (5 years) · last active 9 days ago 0000-0001-7000-8065

Downloads

1.8M

Last 30 days

4.9M

Last 90 days

11.3M

Last year

Average trend: -26.2% (30d vs prior 30d)

Top Packages by Downloads

rstan
1.4M
QuickJSR
712.4K
rstantools
319.4K
brms
53.3K
semTools
17.7K
blavaan
6.3K
EpiNow2
758
bellreg
529
survstan
327
lgpr
323

Portfolio Check Status

Aggregate CRAN check results across 4 maintained packages.

3

NOTE

49

OK

Recent Activity

rstantools updated v2.7.0 Jul 26, 2026

Tools for Developing R Packages Interfacing with 'Stan'

semTools updated v0.5-9 Jul 13, 2026

Useful Tools for Structural Equation Modeling

EpiNow2 updated v1.9.0 Jun 16, 2026

Estimate and Forecast Real-Time Infection Dynamics

QuickJSR updated v1.10.0 May 17, 2026

Interface for the 'QuickJS-NG' Lightweight 'JavaScript' Engine

jsutils updated v0.3.0 May 17, 2026

'JavaScript' Utilities for 'R'

QuickJSR updated v1.9.2 Apr 17, 2026

Interface for the 'QuickJS-NG' Lightweight 'JavaScript' Engine

QuickJSR updated v1.9.1-2 Apr 15, 2026

Interface for the 'QuickJS-NG' Lightweight 'JavaScript' Engine

QuickJSR updated v1.9.1 Apr 9, 2026

Interface for the 'QuickJS-NG' Lightweight 'JavaScript' Engine

semTools updated v0.5-8 Feb 13, 2026

Useful Tools for Structural Equation Modeling

EpiNow2 updated v1.8.0 Feb 4, 2026

Estimate and Forecast Real-Time Infection Dynamics

Maintained Packages

4 packages

Package Version
QuickJSR 1.10.0
rstantools 2.7.0
jsutils 0.3.0
boostmath 1.4.0

Co-authored Packages

1 package

Package Version
rstan 2.32.7

Contributions

12 packages

Package Version
brms 2.23.0
semTools 0.5-9
blavaan 0.5-10
EpiNow2 1.9.0
bellreg 0.0.2.2
survstan 0.0.7.1
lgpr 1.2.5
bennu 0.3.2
bayesWatch 0.1.4
FunnelPlotR 0.6.0
approxOT 1.2
RcppArray 0.3.0

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