This page last changed on Jan 01, 2011 by mwlinnem.
Description

'Extract Top N% Records' lets you remove a certain % of the records in a table, keeping the records whose selected numeric attribute is in the top N % of records in table. For example, the table:

label number_of_children
Amy
3
Bob
1
Carole
1
Dave
4

When thresholded at 50% on the column "number_of_children", will produce the table:

label number_of_children
Amy
3
Dave
4
See Also

Usage Hints

Consider using Extract Top N Records when you want to remove a specific number of records.

When your data is in network form, consider using Extract Top Nodes or Extract Nodes Above or Below Value.

Document generated by Confluence on May 31, 2011 16:37