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FastKRR  

Kernel Ridge Regression using 'RcppArmadillo'
View on CRAN: Click here


Download and install FastKRR package within the R console
Install from CRAN:
install.packages("FastKRR")

Install from Github:
library("remotes")
install_github("cran/FastKRR")

Install by package version:
library("remotes")
install_version("FastKRR", "0.2.1")



Attach the package and use:
library("FastKRR")
Maintained by
Kwan-Young Bak
[Scholar Profile | Author Map]
All associated links for this package
First Published: 2025-10-08
Latest Update: 2025-10-08
Description:
Provides core computational operations in C++ via 'RcppArmadillo', enabling faster performance than pure R, improved numerical stability, and parallel execution with OpenMP where available. On systems without OpenMP support, the package automatically falls back to single-threaded execution with no user configuration required. For efficient model selection, it integrates with 'CVST' to provide sequential-testing cross-validation that identifies competitive hyperparameters without exhaustive grid search. The package offers a unified interface for exact kernel ridge regression and three scalable approximations—Nyström, Pivoted Cholesky, and Random Fourier Features—allowing analyses with substantially larger sample sizes than are feasible with exact KRR. It also integrates with the 'tidymodels' ecosystem via the 'parsnip' model specification 'krr_reg', and the S3 method tunable.krr_reg(). To understand the theoretical background, one can refer to Wainwright (2019) <doi:10.1017/9781108627771>.
How to cite:
Kwan-Young Bak (2025). FastKRR: Kernel Ridge Regression using 'RcppArmadillo'. R package version 0.2.1, https://cran.r-project.org/web/packages/FastKRR. Accessed 05 Oct. 2026.
Previous versions and publish date:
0.1.0 (2025-09-22 13:20), 0.1.1 (2025-10-08 07:20), 0.1.2 (2025-11-15 12:20), (2026-07-21 11:30)
Other packages that cited FastKRR R package
View FastKRR citation profile
Other R packages that FastKRR depends, imports, suggests or enhances
Complete documentation for FastKRR
Functions, R codes and Examples using the FastKRR R package
Full FastKRR package functions and examples
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