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Research map / Learning theory and algorithms / Sample complexity

Interpretable Predictive Modeling for Climate Variables with Weighted Lasso

AAAI 2019 · Learning theory and algorithms › Sample complexity · approach: Optimal mean estimation and subsampling · 7 citations (OpenAlex)

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Measured effects reported in the paper

What was changedWhereMeasuredEffect
use distance-proportional weights in l1 penalty instead of uniform weights (Lasso)Lasso · CMCC-CESM BrazilRMSE: 0.6681 ± 0.0317 -> 0.6580 ± 0.0344No clear effect
use distance-proportional weights instead of uniform weightsLasso · Brazil variable selectionselection stability and proximityHelped
use weighted Lasso instead of Deep netsDeep nets · INM-CM4 BrazilRMSE: 0.9144 ± 0.0304 -> 0.7641 ± 0.0173Helped
use weighted Lasso instead of GBTGBT · INM-CM4 PeruRMSE: 0.8164 ± 0.0184 -> 0.7127 ± 0.0144Helped
use weighted Lasso instead of PCRPCR · INM-CM4 BrazilRMSE: 1.2030 ± 0.0637 -> 0.7641 ± 0.0173Helped
add l1 regularization to Deep nets (ablation)Deep nets · CMCC-CESM BrazilRMSE: 0.8151 ± 0.0364 -> 0.6931 ± 0.0260Helped
add l2 regularization to Deep nets (ablation)Deep nets · CMCC-CESM BrazilRMSE: 0.8151 ± 0.0364 -> 0.8458 ± 0.0744No clear effect
add l1+l2 regularization to Deep nets (ablation)Deep nets · CMCC-CESM BrazilRMSE: 0.8151 ± 0.0364 -> 1.0635 ± 0.1308Hurt
increase mini-batch size (ablation)Deep nets (8 layers) · CMCC-CESM land targetsRMSEHelped
increase hidden units from 1 to 64 (ablation)Deep nets · CMCC-CESM BrazilRMSENo clear effect
use 8 hidden layers instead of 1 (ablation)Deep nets · CMCC-CESM BrazilRMSEHelped
use pretrained Resnet-50 with transfer learning instead of MLP Deep nets (ablation)Deep nets · CMCC-CESM BrazilRMSE: 0.8151 ± 0.0364 -> 1.2972 ± 0.4109Hurt

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