Modify a Data Set 1 FilterModify a Data Set 1 FilterYou use the Data Set 1 Filter subtab on the Comparison Rule tab in the Comparison Rules (SP) application to modify Data Set 1 filter clauses on an existing comparison rule. You can add a new clause to the Data Set 1 filter, modify an existing clause, or delete an existing clause.
For more information about the components of a comparison rule, see About Comparison Rules Components. For more information about the components of a Data Set 1 filter clause, see Data Set 1 Filter Clauses.
On the List tab in the Comparison Rules (SP) application, select the comparison rule that you want to modify. The application displays the selected comparison rule on the Data Set 1 Filter subtab on the Comparison Rule tab.
To add a new filter clause:
In the Data Set 1 Filter Clauses table window, click New Row. The Row Details open.
Add values in the Data Set 1 filter clause fields as required. For more detailed instructions about adding Data Set 1 filter clauses, see Create a Data Set 1 Filter.
To change existing Data Set 1 filter clauses:
In the Data Set 1 Filter Clauses table window, select the clause that you want to modify. The Row Details open.
To change values
in any of the fields, retype the value in the field or, if appropriate,
click Select Value 
and
select a new value for the field.
To delete an
existing Data Set 1 filter clause, in the Data Set 1 Filter Clauses table
window, select the clause that you want to delete and click Mark
Row for Delete 
. The application marks the row for
deletion and deletes it when you save the comparison rule. You can mark
multiple rows. To cancel a deletion, click Undo
Delete 
.
Note: If the comparison rule has a matches found clause, create at least one Data Set 1 filter or Data Set 2 filter clause. If you attempt to delete the last filter clause on a comparison rule that has a matches found clause, the application displays an error message and does not delete the clause.
When you complete
all modifications, click Save Comparison
Rule 
to
save the modified comparison rule.
Note: When you save a modified comparison rule, the application evaluates the clauses to determine whether they are valid expressions. If a clause is not valid, the application displays an error message and does not save the comparison rule.