The goal of
ecdmdata is to provide a set of an example assessment data
sets for psychometric modeling.
You can install
ecdmdata from github with:
# install.packages("devtools") devtools::install_github("tmsalab/ecdmdata")
items_ecpe, N = 2922 subject responses to J = 28 items.
qmatrix_ecpe, J = 28 items and K = 3 traits.
items_fractions: N = 536 subject responses to J = 20 items.
qmatrix_fractions: J = 20 items and K = 8 traits.
items_spatial: N = 516 subject responses to J = 30 items.
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