library(party)
airq <- subset(airquality, !is.na(Ozone))
airct <- ctree(Ozone ~ ., data = airq,
controls = ctree_control(maxsurrogate = 3))
tree <- as.Node(airct)
tree
print(tree,
"label",
criterion = function(x) round(x$criterion$maxcriterion, 3),
statistic = function(x) round(max(x$criterion$statistic), 3)
)
FindNode(tree, 6)$path
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