Finds the name of a dataset matching a supplied index in the set of data
     
    
    Usage
    unblind_data_name(experiment, id)
 
    
    Arguments
    - experiment
- The experiment object 
- id
- The dataset number to be unblinded 
 
    
    Value
    
The name of the original file, corresponding to the data at
the requested index
     
    
    Examples
    if (FALSE) unblind_data_name(experiment, 2)