Is Linear Discriminant Analysis (LDA) good for clustering problems?

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Please suggest the link or data source for Bench mark Text data for clustering

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Can anyone give more clarification on the difference between the effectiveness and efficiency of an algorithm?

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04 May 2014 7,060 1 View

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M. Ramakrishna Murty

I think LDA is used for both supervised and unsupervised problems.

LDA is matrix based dimensionality reduction technique.

Peter Fischer

LDA can only be used in supervised settings. It maximizes the inter-class distance while minimizing the intra-class spread.

PCA is a linear method that is useful for unsupervised dimensionality reduction.