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gazza89

Former physicist, no making my way in the world as a data scientist. First principles thinker. Uplift and counterfactual modelling is a particular area of interest/expertise of mine.

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  • London, UK
  • Member for 5 years, 2 months
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  • Last seen Apr 8 at 18:58

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24 Kullback-Leibler divergence WITHOUT information theory Nov 16 '16
15 Why does XGBoost have a learning rate? Jul 4 '18
8 Loss function and evaluation metric Nov 28 '18
7 Is it important to make a feature scaling before using Gaussian Mixture Model? Oct 11 '18
5 Why is cross entropy not a common evaluation metric for model performance? Oct 11 '18
5 Showing that ridge regression is a solution to the following optimization problem Sep 18 '18
5 100% accuracy on training, high accuracy on testing as well. What does this mean? Jul 23 '19
4 How is that likelihood is fixed by the model Oct 1 '19
4 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
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