Prune ODT or ODRF from bottom to top with validation data based on prediction error, and prune is a S3 method for class ODT and ODRF.
     
    
    
    Arguments
- obj
- An object of class - ODTor- ODRF.
 
- ...
- For other parameters related to class - obj, see- ODTor- ODRF.
 
 
    
    Value
    An object of class ODT and prune.ODT.