CDM

Cognitive Diagnosis Modeling

https://github.com/alexanderrobitzsch/cdm

Science Score: 10.0%

This score indicates how likely this project is to be science-related based on various indicators:

  • CITATION.cff file
  • codemeta.json file
  • .zenodo.json file
  • DOI references
  • Academic publication links
  • Committers with academic emails
    2 of 2 committers (100.0%) from academic institutions
  • Institutional organization owner
  • JOSS paper metadata
  • Scientific vocabulary similarity
    Low similarity (7.0%) to scientific vocabulary

Keywords

cognitive-diagnostic-models item-response-theory
Last synced: 11 months ago · JSON representation

Repository

Cognitive Diagnosis Modeling

Basic Info
Statistics
  • Stars: 22
  • Watchers: 4
  • Forks: 8
  • Open Issues: 1
  • Releases: 30
Topics
cognitive-diagnostic-models item-response-theory
Created about 9 years ago · Last pushed about 1 year ago
Metadata Files
Readme

README.md

CDM

Cognitive Diagnosis Modeling

If you use CDM and have suggestions for improvement or have found bugs, please email me at robitzsch@leibniz-ipn.de. Please always provide a minimal dataset, necessary to demonstrate the problem, a minimal runnable code necessary to reproduce the issue, which can be run on the given dataset, and all necessary information on the used librarys, the R version, and the OS it is run on, perhaps a sessionInfo().

Manual

The manual can be found here https://alexanderrobitzsch.github.io/CDM/

CRAN version CDM 8.3-14 (2025-07-13)

CRAN_Status_Badge   

The official version of CDM is hosted on CRAN and can be found here. The CRAN version can be installed from within R using:

r utils::install.packages("CDM")

GitHub version CDM 8.4-2 (2025-07-13)

  

The version hosted here is the development version of CDM. The GitHub version can be installed using devtools as:

r devtools::install_github("alexanderrobitzsch/CDM")

Owner

  • Name: Alexander Robitzsch
  • Login: alexanderrobitzsch
  • Kind: user
  • Location: Germany
  • Company: IPN Kiel

GitHub Events

Total
  • Release event: 1
  • Watch event: 1
  • Push event: 1
  • Create event: 1
Last Year
  • Release event: 1
  • Watch event: 1
  • Push event: 1
  • Create event: 1

Committers

Last synced: almost 3 years ago

All Time
  • Total Commits: 72
  • Total Committers: 2
  • Avg Commits per committer: 36.0
  • Development Distribution Score (DDS): 0.042
Past Year
  • Commits: 0
  • Committers: 0
  • Avg Commits per committer: 0.0
  • Development Distribution Score (DDS): 0.0
Top Committers
Name Email Commits
alexanderrobitzsch r****h@i****e 69
Robitzsch s****3@u****e 3
Committer Domains (Top 20 + Academic)

Issues and Pull Requests

Last synced: 12 months ago

All Time
  • Total issues: 5
  • Total pull requests: 2
  • Average time to close issues: 25 days
  • Average time to close pull requests: about 14 hours
  • Total issue authors: 4
  • Total pull request authors: 2
  • Average comments per issue: 2.4
  • Average comments per pull request: 1.0
  • Merged pull requests: 0
  • Bot issues: 0
  • Bot pull requests: 0
Past Year
  • Issues: 0
  • Pull requests: 0
  • Average time to close issues: N/A
  • Average time to close pull requests: N/A
  • Issue authors: 0
  • Pull request authors: 0
  • Average comments per issue: 0
  • Average comments per pull request: 0
  • Merged pull requests: 0
  • Bot issues: 0
  • Bot pull requests: 0
Top Authors
Issue Authors
  • DataMonk2017 (2)
  • cwliu007 (1)
  • DamianWiatrzyk (1)
  • yjchen11 (1)
Pull Request Authors
  • FabrizioSandri (1)
  • fartist (1)
Top Labels
Issue Labels
enhancement (2) bug (1) question (1)
Pull Request Labels

Packages

  • Total packages: 1
  • Total downloads:
    • cran 4,442 last-month
  • Total docker downloads: 105,832
  • Total dependent packages: 13
  • Total dependent repositories: 18
  • Total versions: 55
  • Total maintainers: 1
cran.r-project.org: CDM

Cognitive Diagnosis Modeling

  • Versions: 55
  • Dependent Packages: 13
  • Dependent Repositories: 18
  • Downloads: 4,442 Last month
  • Docker Downloads: 105,832
Rankings
Docker downloads count: 0.6%
Dependent packages count: 4.4%
Average: 6.5%
Dependent repos count: 6.7%
Downloads: 7.8%
Forks count: 7.9%
Stargazers count: 11.5%
Maintainers (1)
Last synced: 12 months ago

Dependencies

DESCRIPTION cran
  • R >= 3.1 depends
  • mvtnorm * depends
  • GDINA * enhances
  • dina * enhances
  • mirt * enhances
  • rrum * enhances
  • Rcpp * imports
  • grDevices * imports
  • graphics * imports
  • methods * imports
  • polycor * imports
  • stats * imports
  • utils * imports
  • BIFIEsurvey * suggests
  • MASS * suggests
  • ROI * suggests
  • lattice * suggests
  • miceadds * suggests
  • sfsmisc * suggests