KwickClips Artificial Intelligence · 39 sec · free
What is the catch with decision trees?
Short answer. Deep trees can overfit.
How do you reduce overfitting?
Limit depth and prune weak branches.
Trees: good and bad
| Strength | Weakness |
|---|---|
| easy to read | can overfit |
| fast | data-sensitive |
Remember
| Limit depth |
| Prune weak branches |
Decision trees are easy to read. So what is the catch? Here is the balance. Trees are easy to explain, but deep ones memorise data. They are fast, but small data changes alter them. Limit depth. Prune weak branches.
This clip is from the full lesson: Decision Trees — 6 minutes, with the tables, the quick answers and the whole lesson in text.
Useful for: CBSE Class 10 Artificial Intelligence (417)
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