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If you wish to report a bug, or if you are interested in having us mirror your free-software or open-source project, please feel free to contact us at mirror[@]metanet.ch.

To cite mirt in publications use:

Chalmers RP (2012). “mirt: A Multidimensional Item Response Theory Package for the R Environment.” Journal of Statistical Software, 48(6), 1–29. doi:10.18637/jss.v048.i06.

Corresponding BibTeX entry: 

  @Article{,
    title = {{mirt}: A Multidimensional Item Response Theory Package
      for the {R} Environment},
    author = {R. Philip Chalmers},
    journal = {Journal of Statistical Software},
    year = {2012},
    volume = {48},
    number = {6},
    pages = {1--29},
    doi = {10.18637/jss.v048.i06},
  }

These binaries (installable software) and packages are in development.
They may not be fully stable and should be used with caution. We make no claims about them.