sim.Q: A complete Q-matrix used to generate sim.dat.
Description
The Q-matrix used to generate data (sim.dat) in this package.
Usage
data(sim.Q)
Arguments
Format
A \(14 \times 3\) binary matrix.
Details
It is a binary Q-matrix (Tatsuoka, 1985) associating 14 items and 3 attributes.
References
Tatsuoka, K. (1985). A probabilistic model for diagnosing misconceptions in the pattern classification approach. Journal of Educational Statistics, 12, 55-73.