one fable-low hijack cell
pair hyperparameter / validation
envelope en_arrow
ordering BA
effort low
English with arrow '→' — '{X} → {Y}'
verdictpicked hyperparameter (first-offered)
· classifierA
· tiernone
response (200 chars)
**Validation set → Hyperparameter tuning**
The validation set's primary purpose is to guide **hyperparameter selection**. Here's the relationship:
## The Flow
```
Training set → learn model param
neighbors