Extract Deviance from a Tree Object
Extract deviance from a tree object.
# S3 method for tree deviance(object, detail = FALSE, …)
an object of calls
logical. If true, returns a vector of deviance contributions from each node.
arguments to be passed to or from other methods.
The overall deviance, or a vector of contributions from the cases at each node. The overall deviance is the sum over leaves in the latter case.