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Table 3 Top 10 features selected by random forests, PLS-DA, PD-CR and SVM in the LUNG dataset

From: Primal-dual for classification with rejection (PD-CR): a novel method for classification and feature selection—an application in metabolomics studies

RF

PLS-DA

PD-CR

SVM

MZ 264.1215224

MZ 264.1215224

MZ 264.1215224

MZ 264.1215224

MZ 656.2017529

MZ 126.9069343

MZ 308.0984878

MZ 308.0984878

MZ 441.1613664

MZ 170.0605916

MZ 126.9069343

MZ 247.0970455

MZ 584.2670695

MZ 613.3595637

MZ 613.3595637

MZ 613.3595637

MZ 247.0970455

MZ 243.1004849

MZ 243.1004849

MZ 615.0353192

MZ 486.2571336

MZ 486.2571336

MZ 247.0970455

MZ 372.9232556

MZ 308.0984878

MZ 308.0984878

MZ 332.0963401

MZ 441.1613664

MZ 204.1345526

MZ 561.3432022

MZ 441.1613664

MZ 370.0525988

MZ 247.1384435

MZ 94.06574518

MZ 94.06574518

MZ 423.0084949

MZ 447.10803

MZ 269.1280232

MZ 561.3432022

MZ 332.0963401