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Ex Libris now includes MARC subfields in Analytics Local Parameters. Particularly for Local Param 02, it is possible to split this field into separate columns by subfield.Function:

1. Include Bibliographic Details - Local Param 02 as a column in the Details tab
2. In the menu options for Local Param 02, choose "edit formula"
3. In Column Formula, paste:
   Evaluate('regexp_substr(%1,%2,%3,%4,%5,%6)', "Bibliographic Details"."Local Param 02", '\$\$a([^\$]+)', 1, 1, NULL, 1)

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1. The above example will isolate $$a. To isolate a different subfield, replace 'a' with

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1. the subfield of your choice. Repeat the process for additional subfields as needed.
   

Filtering a Report to Specific IDs

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