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Jakub Bartczuk

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Top posts (191) All Questions Answers | Votes Newest

59 If X and Y are uncorrelated, are X^2 and Y also uncorrelated? Sep 9 '17
11 Why does PCA feature reduction make accuracy dramatically worse? Sep 17 '17
9 Matrix factorization in recommender systems: adding a new user Jan 1 '18
9 What does “variational” mean? Apr 17 '18
7 Is linear regression obsolete? Sep 26 '17
7 Machine learning algorithms as matrix factorization Dec 18 '17
7 If each neuron in a neural network is basically a logistic regression function, why multi layer is better? Sep 5 '17
7 Is a kernel function basically just a mapping? Nov 29 '18
6 Topological rather than metric based machine learning theory? Jun 5 '19
6 Is PCA optimization convex? Sep 5 '17
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