3. Selected deeper topics# Table of Contents 3.1. Applying preprocessing to the target 3.2. Cross-validation consistent Confound Removal Confound Removal in Julearn Should I use Confound Regression? 3.3. Hyperparameter Tuning Parameters vs Hyperparameters Hyperparameter Tuning Searchers Tuning more than one grid Models as hyperparameters 3.4. Inspecting Models 3.5. Cross-validation splitters Stratification Grouping 3.6. Stacking Models Fitting each estimator on all of the features Fitting each estimator on a specific feature type 3.7. Connectome-based Predictive Modeling (CBPM) CBPM in Julearn