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gazza89

Former physicist, slowly recovering as a data science consultant. First principles thinker over "throwing a neural network at the problem and hoping for the best"

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  • London, UK
  • Member for 3 years, 4 months
  • 49 profile views
  • Last seen Jun 12 at 15:29

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Top posts (39) All Questions Answers | Votes Newest

23 Kullback-Leibler divergence WITHOUT information theory Nov 16 '16
5 Showing that ridge regression is a solution to the following optimization problem Sep 18 '18
4 Why does XGBoost have a learning rate? Jul 4 '18
4 Why is cross entropy not a common evaluation metric for model performance? Oct 11 '18
3 How to combine two measurements of the same quantity with different confidences in order to obtain a single value and confidence Feb 4 '16
3 If $A, B$ are conditionally independent by $C$ prove that $P(A|B,C) = P(A|C)$ Oct 5 '18
2 Is it important to make a feature scaling before using Gaussian Mixture Model? Oct 11 '18
2 Distribution of *conditional* frequencies when frequencies follow a Dirichlet distribution Oct 17 '18
2 Predict multiple outcome vectors at once (no multinomial or multiclass) Oct 23 '18
2 Loss function and evaluation metric Nov 28 '18
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