confidenceBound — Defines the confidence in a function
confidenceBound :  value
     EMPTY
| value - percent confidence (like 95%) in the function | 
The confidenceBound element is used to declare the confidence interval associated with the data table. This is a placeholder.
| griddedTableDef | 
| ungriddedTableDef | 
| griddedTable | 
| ungriddedTable | 
| NONE |