Search Results for author: Ricardo B. C. Prudêncio

Found 5 papers, 4 papers with code

Label noise detection under the Noise at Random model with ensemble filters

1 code implementation2 Dec 2021 Kecia G. Moura, Ricardo B. C. Prudêncio, George D. C. Cavalcanti

This work investigates the performance of ensemble noise detection under two different noise models: the Noisy at Random (NAR), in which the probability of label noise depends on the instance class, in comparison to the Noisy Completely at Random model, in which the probability of label noise is entirely independent.

Data vs classifiers, who wins?

no code implementations15 Jul 2021 Lucas F. F. Cardoso, Vitor C. A. Santos, Regiane S. Kawasaki Francês, Ricardo B. C. Prudêncio, Ronnie C. O. Alves

The experiments covered by Machine Learning (ML) must consider two important aspects to assess the performance of a model: datasets and algorithms.

Decoding machine learning benchmarks

1 code implementation29 Jul 2020 Lucas F. F. Cardoso, Vitor C. A. Santos, Regiane S. K. Francês, Ricardo B. C. Prudêncio, Ronnie C. O. Alves

This work applied IRT to explore the well-known OpenML-CC18 benchmark to identify how suitable it is on the evaluation of classifiers.

BIG-bench Machine Learning

$β^3$-IRT: A New Item Response Model and its Applications

1 code implementation10 Mar 2019 Yu Chen, Telmo Silva Filho, Ricardo B. C. Prudêncio, Tom Diethe, Peter Flach

Item Response Theory (IRT) aims to assess latent abilities of respondents based on the correctness of their answers in aptitude test items with different difficulty levels.

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