.. _Parameters: Appendix A - Parameters ======================= This Appendix provides detailed descriptions of parameters that can be specified in the H2O algorithms. In addition, each parameter also includes the algorithms that support the parameter, whether the parameter is a hyperparameter (can be used in grid search), links to any related parameters, and R and Python examples showing the parameter in use. **Notes**: - This Appendix is a work in progress. - For parameters that are supported in multiple algorithms, the included example uses the GBM or GLM algorithm. .. toctree:: :maxdepth: 2 data-science/algo-params/alpha data-science/algo-params/balance_classes data-science/algo-params/beta_epsilon data-science/algo-params/binomial_double_trees data-science/algo-params/build_tree_one_node data-science/algo-params/calibrate_frame data-science/algo-params/calibrate_model data-science/algo-params/categorical_encoding data-science/algo-params/checkpoint data-science/algo-params/class_sampling_factors data-science/algo-params/col_sample_rate data-science/algo-params/col_sample_rate_change_per_level data-science/algo-params/col_sample_rate_per_tree data-science/algo-params/compute_metrics data-science/algo-params/compute_p_values data-science/algo-params/distribution data-science/algo-params/early_stopping data-science/algo-params/eps_prob data-science/algo-params/eps_sdev data-science/algo-params/estimate_k data-science/algo-params/family data-science/algo-params/fold_assignment data-science/algo-params/fold_column data-science/algo-params/gradient_epsilon data-science/algo-params/histogram_type data-science/algo-params/huber_alpha data-science/algo-params/ignore_const_cols data-science/algo-params/ignored_columns data-science/algo-params/impute_missing data-science/algo-params/init data-science/algo-params/interaction_pairs data-science/algo-params/interactions data-science/algo-params/intercept data-science/algo-params/k data-science/algo-params/keep_cross_validation_fold_assignment data-science/algo-params/keep_cross_validation_predictions data-science/algo-params/lambda data-science/algo-params/lambda_min_ratio data-science/algo-params/lambda_search data-science/algo-params/laplace data-science/algo-params/learn_rate data-science/algo-params/learn_rate_annealing data-science/algo-params/link data-science/algo-params/max_abs_leafnode_pred data-science/algo-params/max_active_predictors data-science/algo-params/max_after_balance_size data-science/algo-params/max_depth data-science/algo-params/max_hit_ratio_k data-science/algo-params/max_iterations data-science/algo-params/max_runtime_secs data-science/algo-params/metalearner_algorithm data-science/algo-params/metalearner_params data-science/algo-params/min_prob data-science/algo-params/min_rows data-science/algo-params/min_sdev data-science/algo-params/min_split_improvement data-science/algo-params/missing_values_handling data-science/algo-params/model_id data-science/algo-params/mtries data-science/algo-params/nbins data-science/algo-params/nbins_cats data-science/algo-params/nbins_top_level data-science/algo-params/nfolds data-science/algo-params/nlambdas data-science/algo-params/non_negative data-science/algo-params/ntrees data-science/algo-params/objective_epsilon data-science/algo-params/offset_column data-science/algo-params/pca_method data-science/algo-params/pred_noise_bandwidth data-science/algo-params/quantile_alpha data-science/algo-params/remove_collinear_columns data-science/algo-params/sample_rate data-science/algo-params/sample_rate_per_class data-science/algo-params/score_each_iteration data-science/algo-params/score_tree_interval data-science/algo-params/seed data-science/algo-params/solver data-science/algo-params/standardize data-science/algo-params/stopping_metric data-science/algo-params/stopping_rounds data-science/algo-params/stopping_tolerance data-science/algo-params/training_frame data-science/algo-params/transform data-science/algo-params/tweedie_link_power data-science/algo-params/tweedie_power data-science/algo-params/tweedie_variance_power data-science/algo-params/use_all_factor_levels data-science/algo-params/user_points data-science/algo-params/validation_frame data-science/algo-params/weights_column data-science/algo-params/x data-science/algo-params/y