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isadays/README.md
Isabela Pereira Dias typing

~/about

This profile is my lab notebook. My day job lives on LinkedIn; what lives here is the independent work — studies, experiments and projects I build to understand a technique end to end, from the math to the running code.

  • Physics first. I came to ML from mathematical physics and quantum information, and I still approach models the way I approach a physical system: assumptions, derivation, then experiment.
  • Learning in public. Many repos here are structured study tracks — unsupervised methods, deep learning fundamentals, distributed processing — written to be re-read and reused.
  • Current obsession. How to measure LLM and agent systems honestly: evaluation design, LLM-as-Judge reliability, determinism and cost-aware inference.

~/now

exploring   →  agent evaluation harnesses · LLM-as-Judge calibration
reading     →  retrieval quality metrics · cost-aware inference
revisiting  →  quantum information ideas that map onto ML

~/projects

Project What it explores Stack
Unsupervised-ML Clustering, factor analysis and correspondence analysis, implemented side by side in R and Python. Python · R · scikit-learn
DeepLearning Regularization, batching, optimizers, hyperparameters and cross-validation, built from first principles. Python · PyTorch
ApacheSystemML Activity prediction on distributed data — processing, preparation and modelling with PySpark. PySpark · Spark ML
Embeddings Testing the quality and robustness of categorical embeddings on a low-feature flight-price dataset. Python · Deep Learning

~/stack

AI · ML · GENAI

LANGUAGES · DATA

CLOUD · INFRA


~/education

Degree Institution Year
🎓 M.Sc., Mathematical Physics — quantum information & computation University of São Paulo · exchange year at Uppsala University, Sweden 2023
📊 MBA, Data Science & Analytics University of São Paulo 2024
⚛️ B.Sc., Physics Federal University of São Carlos 2021

CERTIFICATIONS · verify on Credly


~/stats


~/connect



Português · English · Svenska

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  1. Unsupervised-ML Unsupervised-ML Public

    Unsupervised Machine Learning techniques (R and Python): CLUSTERING, FACTOR ANALYSIS AND CORRESPONDENCE ANALYSIS

    Jupyter Notebook

  2. DeepLearning DeepLearning Public

    Deep Learning concepts and techniques: Regularization, Epochs, Batch,Hyperparameters, Cross validation, Optimizers

    Jupyter Notebook

  3. ApacheSystemML ApacheSystemML Public

    The purpose of this repository is to process data , prepare it, and build models to predict certain activities using ML techniques. The entire process leverages PySpark for distributed data process…

    Jupyter Notebook

  4. Embeddings Embeddings Public

    Embeddings for Flight Price Prediction. The dataset has few variables, being a true challenge to improve the model's performance. Here, we test the quality & robustness of embeddings for categorica…

    Jupyter Notebook

  5. DeepLearningSpecialization DeepLearningSpecialization Public

    Deep Learning Specialization (Intermediate level): A sequence of 5 courses from Deep Learning.AI - Neural Networks and Deep Learning, Hyperparameter Tuning, Regularization and Optimization, End-to-…

    Jupyter Notebook