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hahdawg
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7 Answers

Score Activity Newest
86 votes
Accepted

Explanation of min_child_weight in xgboost algorithm

machine-learning boosting hessian
answered Jan 16, 2018 at 21:45
5 votes
Accepted

Is there a theoretical basis for the shrinkage used in Boosted Regression Trees?

machine-learning cart boosting regularization
answered Jun 6, 2014 at 13:56
2 votes

How to predict the amount of data needed for modeling?

r modeling sample-size
answered Aug 26, 2014 at 2:08
2 votes
Accepted

XGBoost tutorial - problem with understanding transformation

boosting
answered Jan 16, 2018 at 20:56
0 votes

Forecasting at individual versus grouped level

r forecasting arima multilevel-analysis
answered Sep 3, 2014 at 14:28
0 votes

why focal loss works

machine-learning maximum-likelihood loss-functions cross-entropy
answered Feb 4, 2021 at 20:13
0 votes

What does it mean if the ROC AUC is high and the Average Precision is low?

machine-learning roc precision-recall average-precision
answered Feb 28 at 22:59
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