# sim.dat: Simulated data

Description Usage Format Details References Examples

### Description

The data are simulated based on the DINA model (Junker & Sijtsma, 2001).

### Usage

 1 data(sim.dat) 

### Format

A 500 \times 14 binary matrix.

### Details

This data set contains responses of 500 examinees to 14 items and is used to demonstrate the functions in this package. The DINA model with a given Q-matrix (sim.Q) was used to generate data and the true values for guessing and slipping parameters are fixed to 0.2.

### References

Junker, B., & Sijtsma, K. (2001). Cognitive Assessment Models with Few Assumptions, and Connections with Nonparametric Item Response Theory. Applied Psychological Measurement, 25(3), 258-272.

### Examples

 1 data(sim.dat) 

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