NEWS

---

IRTBEMM 1.0.8 (2023-06-06)

• Fix some invalid urls and ciations.

IRTBEMM 1.0.7 (2020-11-10)

• Fix some bugs in calculating SEs.

IRTBEMM 1.0.6 (2020-10-13)

• Fix some bugs about inital values.

IRTBEMM 1.0.5 (2020-09-23)

• Using the vectorized computation to accelerate the process of the estimation.
• Fix some bugs in the linux environment.

IRTBEMM 1.0.4 (2020-09-17)

• Fix some bugs in the process of the estimation.

IRTBEMM 1.0.3 (2020-06-29)

• Change the name from BE3M to BEMM for 4PLM and 1PL-AG model.
• Change the default priors for Alpha parameter in 1PL-AG model from Beta to Normal.
• Optimize the Supplemented EM algorithm.
• Update the citation.
• Fix some bugs in calculating the number of estimated parameters.

IRTBEMM 1.0.2 (2020-03-14)

• Change function cat() to message() in following R files: BE3M.1PLAG.R, BE3M.4PL.R, BEMM.1PLG.R, BEMM.3PL.R.

IRTBEMM 1.0.1

• Change the title from "Family of Bayesian Expectation-Maximization-Maximization (BEMM) Algorithm for Item Response Models" to "Family of Bayesian EMM Algorithm for Item Response Models".
• Add Author@R in description.
• Fix the citation error in the description.
• Fix the filename error from "BEMM.4PL.R" to "BE3M.4PL.R"
• Fix the filename error from "BEMM.1PLAG.R" to "BE3M.1PLAG.R"
• Fix the comment errors of input variable "ParConstraint" from "#A logical value to determine whether print the changes of log-likelihood, default is TRUE" to "#A logical value to determine whether impose a range limitation for parameters, default is FALSE" in following R files: BE3M.1PLAG.R, BE3M.4PL.R, BEMM.1PLG.R, BEMM.3PL.R.
• Delete the redundant file IRTBEMM-package.Rd

IRTBEMM 1.0.0

• Initial release of IRTBEMM