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Generalized Cross-Validation with Origami2 months ago
Introduction | Cross-validation with linear regression | General workflow | Define folds | Define fold function | Apply cross_validate | Cross-validation with random forests | Cross-validation with dependence: time series | Session Information | References
Defining New sl3 Learners2 years ago
Introduction | Learner Template | Defining your Learner | Learner Name and Class | public$initialize | public$special_functions | private$.properties | private$.required_packages | User Interface for Learners | private$.train | private$.predict | private$.chain | Advanced: Learners with sub-learners | Documenting and Testing your Learner | Submitting your Learner to sl3
Modern Machine Learning in R2 years ago
Introduction | Example Data | Basics of Object Oriented Programming | sl3 objects | Tasks | Learners | Finding Learners | Learner Parameters | Composing Learners | Pipelines | Stacks | Cross-validation | The Super Learner Algorithm | Computation with delayed | Session Information | References
Fitting the Highly Adaptive Lasso with hal90013 years ago
Introduction | Preliminaries | Using the Highly Adaptive Lasso | Fitting the model | Summarizing the model | Obtaining model predictions | Reducing basis functions | Specifying smoothness of the HAL model | Formula interface | References
tmle3 Framework Overview5 years ago
Introduction | Motivating Example | NPSEM | Causal Considerations | Example | tmle3_Task | Likelihood | Likelihood Factor Objects | LF_emp | LF_fit | Specifying a priori knowledge. | Counterfactual Likelihoods | LF_static | Other intervention likelihood factor types | Counterfactual Tasks | Update Procedure | Target Parameter | tmle3_Fit - Putting it all together | TMLE Specification | Conclusion
Targeted Learning with Stochastic Treatment Regimes6 years ago
Introduction | Data and Notation | Simulate Data | Methodology | Interlude: Constructing Optimal Stacked Regressions with sl3 | Targeted Estimation of Stochastic Interventions Effects | Statistical Inference for Targeted Maximum Likelihood Estimates | References
Variable Importance Analysis with Stochastic Interventions6 years ago
Introduction | Data and Notation | Simulate Data | Methodology | Defining a grid of counterfactual interventions | Interlude: Constructing Optimal Stacked Regressions with sl3 | Initializing vimshift through its tmle3_Spec | Targeted Estimation of Stochastic Interventions Effects | Inference with Marginal Structural Models | Directly Targeting the MSM Parameter $\beta$ | References
delayed: A Framework for Parallelizing Dependent Tasks6 years ago
Example | Parallelization | Future Work | Scheduling Tasks | Distributed Data | References