sim.Q {ACTCD}

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)

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.

Examples

data(sim.Q)