Table 1.

Predictive Power of Optimal Subsets With Different Numbers of Predictors

Number of predictors	DTE-estimated R2		DTE-estimated SE of R2
	Life satisfaction	Health	Life satisfaction	Health
20	.77	.66	.013	.025
50	.77	.67	.014	.024
598	.78	.67	.013	.025
Selected 20	.34	.66	.011	.008

Note: DTE = decision tree ensemble. Bottom row indicates the feature set selected in this article.