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Visualizing PCA's Information Loss

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In this screencast, we look at how much information is lost during a PCA transformation by applying PCA to an image: an interesting approach to image compression.

Learn:

  • How PCA can be used for image compression (though it shouldn't be!)
  • How the original data is distorted by projecting down to lower dimensions. 
  • How to load images in IPython and convert them to design matrices. 

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