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GEMSS: Generalization Error Minimization in SubSampling

GEMSS is an R package for optimal subdata selection in large-scale Gaussian Process (GP) regression. Accelerated by C++ (via RcppArmadillo), the algorithm sequentially identifies and selects the most informative data points to minimize generalization error, enabling efficient surrogate modeling for massive datasets.

Installation

Stable Release (CRAN)

You can install the released version of GEMSS from CRAN:

install.packages("GEMSS")

Development Version (GitHub)

You can install the development version from GitHub using the remotes package:

# install.packages("remotes")
remotes::install_github("szhua-stat/GEMSS")

Citation

If you use GEMSS in your research, please cite the following paper:

Chang, M. C., Hua, S. Z., & Wu, C. F. J. (2026). GEMSS-Driven Subsampling for Information Extraction and Redundancy Elimination. Technometrics, 1–20. https://doi.org/10.1080/00401706.2026.2670596

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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