Outlier Detection & Removal | Example code and own notes while taking the course "Intro to Machine Learning" on Udacity.
- Sensor malfunction
- Data entry errorrs
- Freak event
1 and 2 should be ignored but you have to pay attention the 3rd one!! The 3rd one is like fraud or anomaly detection.
- Train
- Remove ~ 10 %
- Train again
Observe the training score and start again from 2nd step.