| ace | Estimating Average Causal Effects from a Fitted MTE Model. | 
| mte | Fitting a Marginal Treatment Effects (MTE) Model. | 
| mte_at | Evaluate Marginal Treatment Effects from a Fitted MTE Model. | 
| mte_localIV | Fitting a Marginal Treatment Effects (MTE) Model. | 
| mte_normal | Fitting a Marginal Treatment Effects (MTE) Model. | 
| mte_tilde_at | Evaluate Marginal Treatment Effects Projected onto the Propensity Score | 
| toydata | A Hypothetical Dataset for Illustrative Purpose |