Returns the ^y score of the model
     
    
    Usage
    getModelScore(mod, X, clf, force.re.evaluation = TRUE)
 
     
    
    Arguments
    - mod:
 
a model object where the score will be computed
 
- X:
 
the data matrix with variables in the rows and observations in the columns
 
- force.re.evaluation:
 
we recompute the score (default:TRUE)
 
 
    
    Value
    
a vector containing the predicted ^y score for each observation