Guarded Resampling Workflows for Safe and Automated Machine Learning in R R package fastml version 0.7.8 Provides a guarded resampling workflow for training and evaluating machine-learning models. When the guarded resampling path is used, preprocessing and model fitting are re-estimated within each resampling split to reduce leakage risk. Supports multiple resampling schemes, integrates with established engines in the 'tidymodels' ecosystem, and aims to improve evaluation reliability by coordinating preprocessing, fitting, and evaluation within supported workflows. Offers a lightweight AutoML-style workflow by automating model training, resampling, and tuning across multiple algorithms, while keeping evaluation design explicit and user-controlled. Software Depends: R (>= 4.1.0) Imports: stats, recipes, dplyr, ggplot2, reshape2, rsample, parsnip, tune, workflows, yardstick, tibble, rlang, dials, RColorBrewer, doFuture, foreach, finetune, future, viridisLite, magrittr, pROC, janitor, stringr, broom, tidyr, purrr, survival, xgboost Suggests: testthat (>= 3.0.0), withr, baguette, C50, DALEX, discrim, fairmodels, flexsurv, iBreakDown, iml, lime, modelStudio, pdp, plsmod, probably, ranger, rstpm2, survRM2, aorsf, censored, crayon, kernlab, klaR, kknn, keras, lightgbm, rstanarm, patchwork, GGally, glmnet, themis, DT, UpSetR, VIM, dbscan, gridExtra, htmlwidgets, kableExtra, moments, naniar, plotly, scales, skimr, sparsediscrim, knitr, rmarkdown, pec Selcuk Korkmaz <selcukorkmaz@gmail.com> Comprehensive R Archive Network (CRAN) Selcuk Korkmaz [aut, cre] (ORCID: <https://orcid.org/0000-0003-4632-6850>), Dincer Goksuluk [aut] (ORCID: <https://orcid.org/0000-0002-2752-7668>), Eda Karaismailoglu [aut] (ORCID: <https://orcid.org/0000-0003-3085-7809>) MIT + file LICENSE (https://CRAN.R-project.org/package=fastml/LICENSE) 2026-03-17 application/tgz https://CRAN.R-project.org/package=fastml doi:10.32614/CRAN.package.fastml