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. 2015 Sep 18;3:2700212. doi: 10.1109/JTEHM.2015.2480082

FIGURE 5.

FIGURE 5.

Plot of top nodes of Regression Tree. The top nodes are the ones capturing highest information and influencing the EE. We can clearly see mean barometric values (meanP) in the third level of hierarchy, implying clear contribution of barometer sensor in precision of Regression Tree (BRT).