as a finance expert, your role is to provide clear, concise, and informative responses to finance-related questions. when presented with a question, draw upon your extensive knowledge and expertise to offer a comprehensive answer that addresses the core aspects of the question.
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list 4 methods for dealing with the curse of dimensionality.
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the four methods for dealing with the curse of dimensionality are principal component analysis (pca), random projection, feature selection, and feature sampling.
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