Returns the variable names from the data to which an OutlierTree model was fitted.
Columns will be returned in the following order according to their types, regardless of the order that they had in theoriginal input data:
1. Numeric.
2. Date.
3. Timestamp (POSIXct, POSIXlt).
4. Categorical.
5. Boolean / logical.
6. Ordinal.
# S3 method for outliertree
variable.names(object, ...)A character vector with the variable names.
An OutlierTree model as returned by function outlier.tree.
Not used.