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Manuel Ferreira-Junior
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  • Writing

    Writing

    Writing

    Selected posts, project notes, and research-related writing.

    October 1, 2025

    CLAIRE: clustering evaluation based on item response theory and model agreement

    CLAIRE is a clustering-evaluation method proposed by Ferreira-Junior and collaborators for comparing models through agreement-based item responses.

    September 26, 2022

    Machine Learning Engineer at Kunumi

    May 31, 2022

    Jr. Data Scientist at Sem Processo

    February 19, 2022

    birt-gd: a Python implementation of β4-IRT.

    December 1, 2021

    Iris-CV: Classifying Iris Flowers Is Not as Easy as You Thought

    October 1, 2021

    Data Scientist Intern at Sem Processo

    September 1, 2021

    Data Scientist Intern at Aplicativos de Bolso

    April 7, 2021

    Design and Implementation of IRT models for Clustering Evaluation

    April 6, 2021

    A database to fit item response theory models

    April 5, 2021

    System Developer in the CICC-PB Integration Project (AI + Data Science)

    April 4, 2021

    Founding member of TAIL - Technology and Artificial Intelligence League, director of mathematics

    April 3, 2021

    Mentoring program of the vital statistics discipline by the UFPB statistics department

    April 1, 2021

    Extras

    Manuel Ferreira-Junior

    Machine Learning Engineer and Statistics Researcher

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    © 2026 Manuel Ferreira-Junior.