EstCRM_1.3 (2012-07-28)

  * Small changes are added to printing the EstCRMitem output.

EstCRM_1.2 (2012-02-2)

  * A vignette will appear soon in the next version explaining all details of estimation algorithm used in the package  * A new function bootCRM() is added to estimate the standard errors of item parameter estimates using non-parameteric bootstrap sampling

EstCRM_1.1 (2011-06-17)

  * DESCRIPTION and Rd files are updated
  * A new dataset (SelfEff) and sample R codes to analyze the new dataset are added 

EstCRM_1.0 (2011-06-15)

  * initial release on CRAN