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ihadanny

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12 Questions

Votes Activity Newest Views

19

30

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Why is xgboost so much faster than sklearn GradientBoostingClassifier?

scikit-learn xgboost gbm

Apr 3 '16 at 9:19 Community♦ 1

8

14

votes

2

answers

9k

views

Why do we normalize the discounted rewards when doing policy gradient reinforcement learning?

reinforcement-learning

Jun 5 '19 at 20:47 sg3.14 11

9

12

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3

answers

4k

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Need help understanding xgboost's approximate split points proposal

xgboost gbm

Apr 27 '19 at 14:27 Stephen Rauch♦ 1,725

5

votes

0

answers

478

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differences between LSQR and FTRL when working with very sparse data

machine-learning linear-regression gradient-descent online-learning

Nov 14 '19 at 13:53 Pluviophile 1

1

3

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1

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746

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Is boosting resistant to overfitting for both number of iterations and number of features?

feature-selection xgboost

Apr 19 '16 at 13:31 Community♦ 1

3

3

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1

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460

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does xgboost's eval_metric changes the loss function being optimized?

xgboost loss-function

Mar 27 '16 at 15:22 Dex Groves 346

1

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0

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19

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how is the linear relation between positional encoding helping attention?

nlp transformer attention-mechanism

Jan 16 at 21:06 ihadanny 1,117

1

1

vote

1

answer

431

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XGBOOST missing_value feature degrades my performance?

xgboost missing-data auc

Nov 30 '19 at 14:38 prasad 1

1

1

vote

2

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18

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a simple way to test wether a tree-based classifier would transfer well to a target population?

decision-trees probability transfer-learning

Jun 24 '18 at 14:00 jonnor 732

1

1

vote

1

answer

354

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Can FTRL be applied on linear least squares? or is it just for logistic regression models?

logistic-regression linear-regression gradient-descent online-learning

Nov 18 '16 at 3:04 joe 379

0

votes

1

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18

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why do transformers mask at every layer instead of just at the input layer?

neural-network nlp transformer

Jan 18 at 22:21 ncasas 9,631

0

votes

1

answer

66

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suggest a reinforcement learning agent that will learn to efficiently switch on a bit vector

deep-learning tensorflow reinforcement-learning

Sep 19 '17 at 12:50 Neil Slater 24.5k

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