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Table 4 Performance Evaluation for Each Approach for Local Simulated Dataset a (No Interaction)

From: Two-step approach for assessing the health effects of environmental chemical mixtures: application to simulated datasets and real data from the Navajo Birth Cohort Study

 

Adaptive lasso

CART+ Adaptive lasso

RF+ Adaptive lasso

R2

30.0%

28.2%

29.2%

Adjusted R2

28.9%

27.3%

28.3%

MSE

1.012

1.039

1.025

MSE.CV

1.003

1.038

1.017

MSPE.CV

1.095

1.088

1.078

  1. a The dataset includes 500 samples and 20 predictor variables with Pearson’s correlations ranging from − 0.13 to 0.22