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Victor Luu

I am a data scientist and ML/coding enthusiastist, with background in Mathematics.

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  • Sunnyvale, CA, USA
  • linkedin.com/in/…
  • Member for 4 months
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  • Last seen Sep 17 at 22:13

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3 Is there an encoder which can automatically detect the intrinsic order of an ordinal variable and assign values accordingly? Jul 15
2 what make lightGBM run faster than XGBoost? Jul 24
2 How to select 'cutoff' of classifier probability Jul 14
1 Residual plot is tight to zero, but low R2 score Jul 14
1 How to compute a confidence interval for AUC? Aug 18
1 Why autoencoders work well for outlier detection? Jul 20
1 How can we use mean imputation without violating feature correlation? Jul 2
0 Visual/intuitive comparisons between various pairwise loss functions for learning-to-rank tasks Jul 24
0 What are main algorithmic differences between XGboost, lightGBM and Catboost? [duplicate] Jul 24
0 What are ways to pick a single training sample to compute gradient in SGD? Jul 23
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