- Solve non-linear problems.
- Similarity measures between two data points.
- Moves point to different spaces in different dimensions.
- eg. Support Vector Machine, K-means Clustering.
- Work in feature space, not in data space.
- Encode data into feature space.
- Convert non-linearity to linear model.
Good Resources:
- https://www.youtube.com/watch?v=uDAAi5aQbMU