6. Selected deeper topics# Table of Contents 6.1. Applying preprocessing to the target 6.2. Cross-validation consistent Confound Removal Confound Removal in julearn Should I use Confound Regression? 6.3. Hyperparameter Tuning Parameters vs Hyperparameters Hyperparameter Tuning Searchers Tuning more than one grid Models as hyperparameters 6.4. Inspecting Models 6.5. Cross-validation splitters Stratification Grouping 6.6. Stacking Models Fitting each estimator on all of the features Fitting each estimator on a specific feature type 6.7. Connectome-based Predictive Modeling (CBPM) CBPM in julearn