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Minimal Variance Sampling in Stochastic Gradient Boosting

NeurIPS 2019 · Optimization › Optimizers · approach: Stochastic gradient MCMC · 11 citations (OpenAlex)

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Measured effects reported in the paper

What was changedWhereMeasuredEffect
use MVS sampling instead of the full-data baselineCatBoost · 153 binary classification datasetsmean ROC-AUC: +0.12% mean ROC-AUC improvementHelped
use MVS rather than SGB or GOSS samplingLightGBM · seven classification datasets, averagerelative error change: MVS -0.74%; SGB -0.22%; GOSS -0.28%Helped
use MVS samplingLightGBM · KDD Internetrelative error change: -3.03%Helped
use MVS samplingLightGBM · KDD Churnrelative error change: +0.17%Hurt
replace tuned lambda with squared mean of the initial leaf (MVS Adaptive) (ablation)MVS · seven classification datasets, averagerelative error change: MVS Adaptive -0.70%; MVS -0.74%Helped
replace tuned lambda with squared mean of the initial leaf (MVS Adaptive) (ablation)MVS · KDD Upsellingrelative error change: -0.07% -> -0.28%Helped
use MVS rather than SGB or GOSS at small sample ratesLightGBM · average over datasets, sample rate 0.1relative error change: SGB +6.83%; GOSS +8.00%; MVS +3.69%Helped
use MVS rather than GOSS to reach baseline quality on HiggsLightGBM · Higgsrelative learning time change: -17.7% versus -8.5%Helped
use MVS sampling rather than SGB or GOSSLightGBM · datasets in this paperrelative learning time change: MVS -27.7%; SGB -20.7%; GOSS -20.4%Helped
set lambda adaptively from the initial leaf instead of tuning it (ablation)MVS · sampling parameter tuningtuning timeHelped

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