Search Results for author: Rafael Bassi Stern

Found 3 papers, 2 papers with code

Conditional independence testing: a predictive perspective

1 code implementation31 Jul 2019 Marco Henrique de Almeida Inácio, Rafael Izbicki, Rafael Bassi Stern

Conditional independence testing is a key problem required by many machine learning and statistics tools.

BIG-bench Machine Learning

Quantification under prior probability shift: the ratio estimator and its extensions

1 code implementation11 Jul 2018 Afonso Fernandes Vaz, Rafael Izbicki, Rafael Bassi Stern

The quantification problem consists of determining the prevalence of a given label in a target population.

Learning with many experts: model selection and sparsity

no code implementations13 May 2014 Rafael Izbicki, Rafael Bassi Stern

Next, we discuss how this loss can be used to tune a penalization which introduces sparsity in the parameters of a traditional class of models.

Model Selection

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