 
        org.apache.predictionio.controller
 
      
    
       
      
    
       
      
    
       
      
    
       
      
    
       
      
    
       
      
    
       
      
    
       
      
    
       
      
    
       
      
    
       
      
    
       
      
    
       
      
    
       
      
    
       
      
    
      :: DeveloperApi :: Engine developers should not use this directly.
:: DeveloperApi :: Engine developers should not use this directly. This is called by training workflow to prepare data before handing it over to algorithm
Spark context
Training data
Prepared data
 
      
    
       
      
    
       
      
    
       
      
    
       
      
    
      
A helper concrete implementation of org.apache.predictionio.core.BasePreparator that passes training data through without any special preparation. This can be used in place for both PPreparator and LPreparator.
Training data class.