SYS-06 / LIVE DEMO

Previsor de Renda

A functional product experience that runs entirely in the browser with demonstration data.

Full source ↗Architecture and evidence ↗

DEMONSTRATION MODE

This version preserves the project's core flow but uses local state and safe data so it can remain public without paid infrastructure. Reloading restores the initial data.

ML / INFERENCE UI

Income simulator

Explore the inference interface variables and the product's response format.

Important

The value below is a local interface simulation, not an inference from the trained CatBoost model, and must not be used for real decisions.

DEMONSTRATION MIDPOINTR$4,380Illustrative interval: ± 18%

FULL IMPLEMENTATION / GITHUB

Backend, tests and infrastructure remain verifiable.

A capstone project using PNAD Continua microdata with a reproducible offline pipeline and comparisons across ElasticNet, Gradient Boosting, XGBoost, CatBoost and a hybrid Mincer + CatBoost approach. FastAPI serves the final model to a React interface.

Inspect repository ↗