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JR

Johannes Ranke

8 packages On CRAN since Nov 1999 (26 years) · last active 1 year ago 0000-0003-4371-6538

Downloads

2.1M

Last 30 days

5.5M

Last 90 days

19.7M

Last year

Average trend: +54% (30d vs prior 30d)

Top Packages by Downloads

knitr
1.2M
inline
685.4K
nlme
130.6K
webchem
1.4K
mkin
906
saemix
834
chemCal
486
srppp
302

Portfolio Check Status

Aggregate CRAN check results across 3 maintained packages.

39

OK

Recent Activity

nlme updated v3.1-169 Mar 27, 2026

Linear and Nonlinear Mixed Effects Models

saemix updated v3.5 Feb 24, 2026

Stochastic Approximation Expectation Maximization (SAEM) Algorithm

srppp updated v2.0.3 Feb 18, 2026

Read the Swiss Register of Plant Protection Products

srppp updated v2.0.2 Feb 10, 2026

Read the Swiss Register of Plant Protection Products

knitr updated v1.51 Dec 19, 2025

A General-Purpose Package for Dynamic Report Generation in R

srppp updated v2.0.0 Dec 10, 2025

Read the Swiss Register of Plant Protection Products

saemix updated v3.4 Jul 30, 2025

Stochastic Approximation Expectation Maximization (SAEM) Algorithm

srppp updated v1.1.0 Jul 16, 2025

Read the Swiss Register of Plant Protection Products

webchem updated v1.3.1 Jul 15, 2025

Chemical Information from the Web

mkin updated v1.2.10 May 12, 2025

Kinetic Evaluation of Chemical Degradation Data

Maintained Packages

3 packages

Package Version
mkin 1.2.10
chemCal 0.2.3
srppp 2.0.3

Contributions

5 packages

Package Version
knitr 1.51
inline 0.3.21
nlme 3.1-169
webchem 1.3.1
saemix 3.5