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gazza89
  • Member for 7 years, 1 month
  • Last seen more than a month ago
  • London, UK
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About

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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View all questions and answers
All Questions Answers
Score Newest
question
28
Kullback-Leibler divergence WITHOUT information theory
Nov 16, 2016
question
22
Why does XGBoost have a learning rate?
Jul 4, 2018
answer
15
Why do we use loss functions to estimate a model instead of evaluation metrics like accuracy?
Nov 28, 2018
answer
14
Is it important to make a feature scaling before using Gaussian Mixture Model?
Oct 11, 2018
answer
8
100% accuracy on training, high accuracy on testing as well. What does this mean?
Jul 23, 2019
answer
8
Why is cross entropy not a common evaluation metric for model performance?
Oct 11, 2018
answer
6
Loss function in for gamma objective function in regression in XGBoost?
Aug 25, 2020
answer
6
Showing that ridge regression is a solution to the following optimization problem
Sep 18, 2018
question
5
How to combine two measurements of the same quantity with different confidences in order to obtain a single value and confidence
Feb 4, 2016
answer
5
How is that likelihood is fixed by the model
Oct 1, 2019

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