The Curse of Too Many Features
Why high dimensions hurt models.
More Columns, More Trouble
Adding features feels helpful, but past a point each new column makes your data sparser and your model harder to train. 😬
The Curse of Dimensionality
This squeeze is the curse of dimensionality: as dimensions grow, the space balloons and your points scatter far apart.
All lessons in this course
- The Curse of Too Many Features
- How PCA Finds Components
- Scale First, Then Fit PCA
- Choose Components With Scree Plots