D3mirt
Descriptive 3D Multidimensional Item Response Theory Modelling
For identifying, estimating, and plotting descriptive multidimensional item response theory models, restricted to 3D and dichotomous or polytomous data that fit the two-parameter logistic model or the graded response model. The method is foremost explorative and centered around the plot function that exposes item characteristics and constructs, represented by vector arrows, located in a three-dimensional interactive latent space. The results can be useful for item-level analysis as well as test development.
- Version2.0.4
- R versionunknown
- LicenseGPL (≥ 3)
- Needs compilation?No
- D3mirt citation info
- Last release06/22/2024
Documentation
Team
Erik Forsberg
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- Depends1 package
- Imports1 package
- Suggests4 packages