Search Results for author: Rafael B. Stern

Found 5 papers, 3 papers with code

Regression Trees for Fast and Adaptive Prediction Intervals

2 code implementations12 Feb 2024 Luben M. C. Cabezas, Mateus P. Otto, Rafael Izbicki, Rafael B. Stern

Our approach is based on pursuing the coarsest partition of the feature space that approximates conditional coverage.

Prediction Intervals regression +1

Hierarchical clustering: visualization, feature importance and model selection

1 code implementation30 Nov 2021 Luben M. C. Cabezas, Rafael Izbicki, Rafael B. Stern

We propose methods for the analysis of hierarchical clustering that fully use the multi-resolution structure provided by a dendrogram.

Clustering Feature Importance +1

Flexible distribution-free conditional predictive bands using density estimators

1 code implementation12 Oct 2019 Rafael Izbicki, Gilson T. Shimizu, Rafael B. Stern

In order to obtain this property, these methods require strong conditions on the dependence between the target variable and the features.

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