Penalized Youden Index Estimator R package pye version 0.1.0 Implements the Penalized Youden Index Estimator (PYE) and the Covariate-Adjusted Youden Index Estimator (covYI), providing a novel framework for feature and covariate selection and combination in high-dimensional binary classification problems. Methodologies are based on Salaroli and Pardo (2023) <doi:10.1016/j.chemolab.2023.104786> and an unpublished manuscript by Salaroli and Pardo (2026) under review. Software Depends: R (>= 4.0.0) Imports: evmix, ggplot2, glmnet, MASS, Matrix, methods, ncvreg, OptimalCutpoints, pROC, penalizedSVM, plyr, ROCnReg, Rmpfr, sparseSVM, stats, survival Suggests: knitr, rmarkdown, roxygen2, spelling, testthat (>= 3.0.0) Claudio J. Salaroli <clasalar@ucm.es> Comprehensive R Archive Network (CRAN) Claudio J. Salaroli [aut, cre], Maria del Carmen Pardo [aut] GPL (>= 2) 2026-06-04 application/tgz https://CRAN.R-project.org/package=pye doi:10.32614/CRAN.package.pye en-US