This function gets the estimation of the response variable and updates Pareto-coordinates and the observation index for both new nodes.
estimEAT(data, leaves, t, xi, s, y)
Left and right children nodes.
Data to be used.
List structure with leaf nodes or pending expansion nodes.
Node which is being split.
Variable index that produces the split.
Value of xi variable that produces the split.
Column output indexes in data.