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JT

Johannes Titz

5 packages On CRAN since Sep 2017 (8 years) · last active 2 months ago 0000-0002-1102-5719

Downloads

19.3K

Last 30 days

84.9K

Last 90 days

384.9K

Last year

Average trend: -25.8% (30d vs prior 30d)

Top Packages by Downloads

sjPlot
17.8K
cofad
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rqti
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fastpos
272
passt
185

Portfolio Check Status

Aggregate CRAN check results across 3 maintained packages.

39

OK

Recent Activity

rqti updated v1.2.1 May 14, 2026

Create Tests According to QTI 2.1 Standard

rqti updated v1.2.0 May 10, 2026

Create Tests According to QTI 2.1 Standard

rqti updated v1.1.0 Feb 22, 2026

Create Tests According to QTI 2.1 Standard

fastpos updated v0.6.0 Sep 28, 2025

Finds the Critical Sequential Point of Stability for a Pearson Correlation

sjPlot updated v2.9.0 Jul 9, 2025

Data Visualization for Statistics in Social Science

cofad updated v0.3.3 May 14, 2025

Contrast Analyses for Factorial Designs

rqti updated v1.0.0 Mar 4, 2025

Create Tests According to QTI 2.1 Standard

cofad updated v0.3.2 Jan 9, 2025

Contrast Analyses for Factorial Designs

cofad updated v0.3.1 Dec 5, 2024

Contrast Analyses for Factorial Designs

sjPlot updated v2.8.17 Nov 28, 2024

Data Visualization for Statistics in Social Science

Maintained Packages

3 packages

Package Version
cofad 0.3.3
fastpos 0.6.0
passt 0.1.3

Co-authored Packages

1 package

Package Version
rqti 1.2.1

Contributions

1 package

Package Version
sjPlot 2.9.0