What are the full forms of PCA, KPCA, and ICA, and what is their use?

Machine Learning - Interview Questions

What are the full forms of PCA, KPCA, and ICA, and what is their use?

PCA : Principal Components Analysis

KPCA : Kernel-based Principal Component Analysis

ICA : Independent Component Analysis

These are important feature extraction techniques, which are majorly used for dimensionality reduction.

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