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Table 6 Performance Evaluation of each approach used in analyses of NBCS 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

37.0%

21.5%

36.7%

Adjusted R2

32.2%

15.5%

32.6%

MSE

0.0048

0.0061

0.0049

MSE.CV

0.0047

0.0061

0.0047

MSPE.CV

0.0078

0.0078

0.0062

  1. aThe dataset includes 132 samples and 30 predictor variables including 25 metals and 5 demographic variables (age, smoking, employment, trimester and BMI). The Pearson’s correlations between the metals range from −0.32 to 0.76
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Environmental Health

ISSN: 1476-069X