Data Science
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aivanov's user avatar
aivanov's user avatar
aivanov
  • Member for 6 years, 9 months
  • Last seen more than a month ago
  • Cologne, Deutschland
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Top posts
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All Questions Answers
Score Newest
answer
14
Are the raw probabilities obtained from XGBoost, representative of the true underlying probabilties?
Mar 8, 2018
answer
9
XGBoost Feature importance - Gain and Cover are high but Frequency is low
Dec 21, 2017
answer
7
Adding feature leads to worse results
Dec 8, 2017
answer
7
Is it possible to get worse model after optimization?
Sep 28, 2020
answer
6
Can feature importance change a lot between models?
Mar 8, 2018
answer
5
How to train a xgboost model on data that is too big for the memory?
Dec 8, 2017
answer
5
What are the best ways to use a time series data for binary classification
Dec 9, 2017
answer
4
Would you recommend feature normalization when using boosting trees?
Dec 9, 2017
answer
3
Can linear regression or any other models be used to judge if Y increases as X increases?
Dec 8, 2017
answer
3
Graph to display differences (or lack of) in multilevel categorical data
Nov 15, 2017
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18
A term for "number of columns" of a matrix

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