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Subspace Clustering Method (II): Correlation-Based Methods
- Subspace search method: similarity based on distance or density
- Correlation-based method: based on advanced correlation models
- Ex. PCA-based approach:
- Apply PCA (for Principal Component Analysis) to derive a set of new, uncorrelated dimensions,
- then mine clusters in the new space or its subspaces
- Other space transformations:
- Hough transform
- Fractal dimensions
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