The edmdata package (GitHub, Website) provides data sets from various administered assessments that can be used in diagnostic modeling. These data sets have been analyzed in various papers that introduced new methodology as part of the application section.
The package provides detailed documentation for each data set that contains:
- what the data represents;
- how the data was imported and wrangled; and
- where the data was analyzed.
The importation and wrangling stages are available in the package’s GitHub repository under the data-raw/ folder.
Moreover, the package follows a naming scheme for each data set that takes advantage of auto-complete. In particular, data associated with item matrices are prefixed with items_* for dichotomous/binary data or items_ordered_* for polytomous/ordered. For Q matrices, the data is prefixed with qmatrix_* and contains a validation check for strict identifiability. As a result, the package treats data as a first-class object instead of a second-class object nested inside a single list object.
Special thanks goes out to the CRAN team who published the package during their summer 2020 vacation and maintenance work break (Aug 14 - Aug 24, 2020).
For information about which data sets were included, please see the full NEWS release below.
edmdata news file entry for version 1.0.0 (2020-08-17)
Features
- Datasets used in different psychometric publications focused on diagnostic modeling.
- Accompanying documentation is available via
?dataset.
Data Sets
items_ecpe- Examination for the Certificate of Proficiency in English (ECPE) Item Responses
qmatrix_ecpe- Examination for the Certificate of Proficiency in English (ECPE) Expert-Derived Q matrix
items_fractions- Fraction Subtraction and Addition Assessment Item Responses
qmatrix_fractions- Fraction Subtraction and Addition Assessment Expert-Derived Q Matrix
items_revised_psvtr- Revised PSVT:R Item Responses
items_ordered_eclsk_atl- Subset of Early Childhood Longitudinal Study, Kindergarten (ECLS-K)’s Approaches to Learning Item Responses
items_spm_ls- Last Series of the Standard Progressive Matrices (SPM-LS) Item Responses
items_matrix_reasoning- Experimental Matrix Reasoning Test Item Responses
items_taylor_manifest_anxiety_scale- Taylor Manifest Anxiety Scale Item Responses
items_narcissistic_personality_inventory- Narcissistic Personality Inventory Item Responses
qmatrix_oracle_k3_j20- Oracle Q Matrices for J = 20 Items and K = 3 Traits.
qmatrix_oracle_k4_j20- Oracle Q Matrices for J = 20 Items and K = 4 Traits.
qmatrix_oracle_k5_j30- Oracle Q Matrices for J = 30 Items and K = 5 Traits.