| fs_bayes | Bayesian predictor-subset selection with brms and LOO |
| fs_boruta | All-relevant feature selection with Boruta |
| fs_chi | Chi-squared tests for categorical features |
| fs_correlation | Find and prune highly correlated variables |
| fs_elastic | Elastic-net feature selection with tuned alpha and lambda |
| fs_infogain | Rank features by information gain |
| fs_lasso | Lasso feature selection with cross-validation |
| fs_mars | MARS (earth) feature selection |
| fs_pca | Principal component analysis with tidy results and optional plotting |
| fs_randomforest | Random forest importance with a held-out evaluation |
| fs_recursivefeature | Recursive feature elimination with held-out evaluation |
| fs_stepwise | Stepwise linear-regression feature selection by AIC |
| fs_supervised | Supervised filter that scores each feature against a target |
| fs_svd | Singular value decomposition with optional scaling and truncation |
| fs_svm | Train and evaluate an SVM, with optional SVM-RFE feature selection |
| fs_unsupervised | Unsupervised filter that scores each feature without a target |
| print.fs_result | Print a featR result |
| selected | Extract the selected features from a featR result |
| selected.fs_result | Extract the selected features from a featR result |
| summary.fs_result | Summarize a featR result |