1 in 580 transactions is fraud. Find it.
TABCredit Card Fraud Detection
Catching card fraud while cutting the cost of false alarms
- Lower cost than baseline
- 93%
- Fraud caught (recall)
- 82.4%
- Alerts that are fraud (precision)
- 75.0%
Machine learning · Python
Data science5
Machine-learning projects, from reinforcement learning to computer vision. Code and notebooks on GitHub.
NLPTweet Emotion Classification
Reading six emotions in short, messy social media text
- Test accuracy
- 93.47%
- Emotions
- 6
- Tweets
- 416,809
Grain shapes · illustration
CVRice Variety Detection
Identifying five rice varieties from a photo of one grain
- Custom CNN, test accuracy
- 99.53%
- MobileNetV2, test accuracy
- 98.31%
- Grain images
- 75,000
MEDHeart Attack Prediction
Comparing six models to flag people at risk of a heart attack
- Test ROC-AUC
- 0.877
- Heart attacks caught (recall)
- 76%
- Health records
- 246,022
RLMulti-Stock Trading Agent
A reinforcement-learning agent that manages a 10-stock portfolio
- Agent return, test year
- 17.5%
- Buy-and-hold return
- 24.2%
- Max drawdown
- −8.7%