Adding Dimension field ($) in measures (fact) table in logical layer

Hi,
I have a field (amount) in the dimension table. I would like to add this field in the fact table at the logical layer. Dimension table and fact table had physical joins. Can I add into fact table and still do aggregation on that field based on the other dimensions linked to fact table. I working on Siebel Analytics version 7.8. Any help would be greatly appreciated.
Thanks in advance,
RK

Check here : How to create a measure from data that is stored in a dimension table
http://gerardnico.com/wiki/dat/obiee/bi_server/design/fact_table/obiee_measures_dimension
Cheers
Nico

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