Simulation code and results
This repository contains simulation code and results as well as other code to replicate all findings reported in the paper Model Selection of Nested and Non-Nested Item Response Models using Vuong Tests.
Contents and getting started
- orig (directory containing the original simulation results)
- repl (directory containing possible rerun simulation results)
- replication.R (R code for the simulations, text results and figures)
To inspect the original simulation results, change the working directory in R
vuong_mirt_code/orig. To rerun the simulations, change it to
vuong_mirt_code/repl. Finally, run the code in
Packages and versions
- R version 3.4.3
- require(MASS) # version 7.3.48
- require(mirt) # version 1.26.3
- require(nonnest2) # version 0.5
- require(SimDesign) # version 1.7
Lennart Schneider, R. Philip Chalmers, Rudolf Debelak, Edgar C. Merkle.
R code provided here is licensed under the terms of the GNU General Public License v3.0.