lec8-PCA - PCA Kernel PCA ICA Learning Representations...

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PCA, Kernel PCA, ICA Learning Representations. Dimensionality Reduction Lecture 9
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Big & High-Dimensional Data High-Dimensions = Lot of Features Document classification Features per document = thousands of words/unigrams millions of bigrams contextual information Surveys - Netflix 480189 users x 17770 movies
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Big & High-Dimensional Data Brain signal/Imaging Data – EEG – fMRI Hundreds of locations and time points High-dimensional image data
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