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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.

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.
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