Simulation for determining test reliability of sparse data sets
This script simulates binary responses to K items for N subjects. To run the simulation do the following.
Instaal the latest version of R.
Run simulation.r. You can change paramaters if you want and also run different scenario's in regard to item bank size, number of subjects or sampled items.
This generates a results.xlsx file with all variables for each scenario.
Run visualisations.r to generate a graph for a single scenario.