Split a parent node into two child nodes by a covariate. Split the parent node in order to maximize the outcome of interest by signing different treatment in child nodes. Calculate new outcome means for each child node.
1 | Split.X(X, A, mus.hat, minsplit = 20)
|
X |
Covariate matrix. |
A |
A vector of observed treatments. |
mus.hat |
Estimated conditional mean outcome. |
minsplit |
Minimal node size. |
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