Converts all columns in a data.frame that are factors to
character, except for the target column.
     
    bayesConvertData(df)
    Arguments
    
    
    
      | df | 
      data.frame to be used for bayesian inferencing.  | 
    
    
    Value
    the same data.frame with all factors converted to character.
    Examples
    df <- mmb::bayesConvertData(df = iris)