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WM

Wenchao Ma

4 packages On CRAN since Dec 2016 (9 years) · last active 6 days ago
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Downloads

1.8K

Last 30 days

5K

Last 90 days

19.1K

Last year

Average trend: +3.3% (30d vs prior 30d)

Top Packages by Downloads

GDINA
1.1K
ACTCD
338
dcm2
323

Portfolio Check Status

Aggregate CRAN check results across 2 maintained packages.

26

OK

Recent Activity

HighDimenCDM new v0.1.0 Jul 24, 2026

Stochastic EM Algorithm for High-Dimensional Cognitive Diagnosis Models

dcm2 new v1.0.2 Mar 10, 2026

Calculating the M2 Model Fit Statistic for Diagnostic Classification Models

ACTCD updated v1.4-0 Feb 25, 2026

Asymptotic Classification Theory for Cognitive Diagnosis

GDINA updated v2.9.12 Jul 1, 2025

The Generalized DINA Model Framework

GDINA updated v2.9.9 Apr 30, 2025

The Generalized DINA Model Framework

ACTCD updated v1.3-0 Nov 8, 2023

Asymptotic Classification Theory for Cognitive Diagnosis

GDINA updated v2.9.4 Jul 1, 2023

The Generalized DINA Model Framework

GDINA updated v2.9.3 Aug 16, 2022

The Generalized DINA Model Framework

GDINA updated v2.8.8 Jan 19, 2022

The Generalized DINA Model Framework

GDINA updated v2.8.7 May 30, 2021

The Generalized DINA Model Framework

Maintained Packages

2 packages

Package Version
GDINA 2.9.12
ACTCD 1.4-0

Co-authored Packages

1 package

Package Version
HighDimenCDM 0.1.0

Contributions

1 package

Package Version
dcm2 1.0.2