DCEM 2.0.6 (2026-02-15)

Bug Fixes

• Reformatted NEWS.md to comply with CommonMark and CRAN requirements.
• Incremented version to resolve archival status.
• Fixed CITATION file entries to use modern bibentry() syntax.
• Removed non-standard files from package build (.github, CRAN-RELEASE, cran-comments.md).

DCEM 2.0.5

• DCEM is published in SoftwareX: https://doi.org/10.1016/j.softx.2021.100944. Use citation("DCEM") to cite the package.
• Added the functionality to predict the cluster membership for test data.
• Fixed a minor bug in co-variance calculation during maximization.

DCEM 2.0.4

• Added the option to get data membership (maximum posterior probability) from the output.

DCEM 2.0.3

• Added quick start examples and use cases in the vignettes.

DCEM 2.0.2

• Added the option to get cluster membership of data directly from the output.
• Patched the code for K-Means++ based initialization.

DCEM 2.0.1

Bug Fixes

• Removed the usage of floor in integer division in CPP code to resolve Solaris OS warnings.

DCEM 2.0.0

• This is the fourth major release of the DCEM package.
• Improves the EM* implementation for faster execution based on Kurban et al. (2016) https://doi.org/10.1007/s41060-017-0062-1.
• Supports both EM* and traditional EM algorithm for speed-up comparison.

DCEM 1.0.0

• Implements the EM* algorithm leveraging a heap structure to expedite execution time.

DCEM 0.0.2

• Implements improved initialization schemes based on K-means++ (Arthur and Vassilvitskii).

DCEM 0.0.1

• Initial stable release.
• Support for clustering multivariate and univariate data for finite Gaussian mixture models.