Data Science
Customer Churn Prediction
Predicting telecom churn and explaining why each customer is at risk.
- ROC-AUC
- 0.849
- Recall
- 0.807
Data Engineering
Real-Time Transaction Streaming Pipeline
Streaming card transactions from Kafka to cloud storage, with data quality checks and lag monitoring.
- Automated tests
- 11
- Data quality rules
- 5
Machine Learning
Laptop Price Prediction
Estimating laptop market prices in Indonesia from hardware specs.
- R² (5-fold CV)
- 0.913
- MAPE (5-fold CV)
- 8.46%
Deep Learning
NutriVision Pro
Helping parents track children's nutrition, with an AI fruit scanner.
- Fruit classes
- 24