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loan-default

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Predicting loan default risk using Logistic Regression and CatBoost with business cost-based threshold optimization. Minimizes total financial loss by tuning decision thresholds using a cost-benefit matrix. Built with Python, CatBoost & Scikit-learn.

  • Updated Jun 9, 2026
  • Jupyter Notebook

Loan-portfolio default analysis on 400 messy bank records: pandas cleaning pipeline (10 stages, 51 unit tests), feature engineering, scikit-learn logistic regression (AUC 0.617), risk-tier segmentation, and a Power BI dashboard spec with DAX measures and a 3-page layout.

  • Updated Jun 6, 2026
  • Python

Análise exploratória de risco de crédito utilizando dados de empréstimos, com foco em inadimplência (default). O projeto investiga como variáveis financeiras como score de crédito, renda e Debt-to-Income Ratio influenciam a probabilidade de default, reproduzindo análises utilizadas por instituições financeiras.

  • Updated Jan 21, 2026
  • Jupyter Notebook

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