Only done when the integer values are exact the same as the original values
     
    
    Usage
    IntegerDataFrame(x, makeWarning = FALSE, allNumeric = TRUE)
 
     
    
    Arguments
- x
 
data frame
 
- makeWarning
 
When TRUE warning made when not all numeric variables could be changed
 
- allNumeric
 
When TRUE no change is made unless all could be changed