Pierre Aumjaud
Data Analyst | Turning Data into Strategy | SQL, Python | Business Intelligence
Passionate about transforming data into actionable insights, I specialise in:
- Data analytics : Data acquisition, cleaning, visualization, interactive dashboards, process monitoring.
- Machine learning : Predictive modeling, anomaly detection, reinforcement learning (robotics), evolutionary optimization.
- Python : Scikit-learn, NumPy, Pandas, and Matplotlib.
- SQL
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Customer Data Cleaning with SQL
Processed raw customer data using SQL by removing duplicates, handling missing values, standardizing formats, and splitting columns for better analysis. Ensured data integrity and prepared it for actionable insights.
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Reinforcement Learning for Robotic Arm Control
Trained a reinforcement learning agent in a custom Gymnasium environment to solve a robotic reach task using PyBullet physics. This project demonstrates my ability to implement RL algorithms, simulate robotic systems, and optimize control policies for real-world applications.
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Custom Reinforcement Learning Environments
Developed modular Gymnasium environments for training RL agents, integrating physics-based robotics simulations via PyBullet and ROS.
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Classifier Visualisation
Developed an intuitive Python tool to train, evaluate, and visualize decision boundaries of multiple classifiers (SVM, Random Forest, Logistic Regression) on 2D datasets. Implemented hyperparameter tuning to optimize model performance while providing visual explanations of model behavior and trade-offs.
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Multi-Objective Optimization in Python
A collection of practical examples and visualizations demonstrating evolutionary algorithms, constraint handling, and Pareto front analysis using the PYMOO framework.
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Boston House Price Prediction
Engineered features and applied regression models (linear, ridge, lasso) to predict prices, addressing overfitting with regularization. Enhanced performance through EDA and ensemble techniques like Random Forest and Gradient Boosting.
