Data → Data Foundations
Training Data
Examples used to teach a machine learning model the patterns it should learn.
Motivation
Training data solves the problem of providing examples from which a model can learn patterns.
Where it fits
It belongs to machine learning and model training.
Mental model
Training data is the experience a model sees before it is asked to generalize.
Important details
Good training data is representative, labeled when needed, split correctly, and monitored for drift.
Common mistakes
- Training and evaluating on the same data.
- Ignoring label quality.