Hi Bruno, I applied your method to chart a cumulative period measure and duplicate date field used in the cumulative period function and formatted that as Day of Year. It was working perfectly just a couple of week ago but not working anymore. I get missing values now. Nothing has changed in our SAS VA environment so I'm perplex to why I'm not getting the correct output anymore. Do you know if this is still working for you? Thanks in advance on any help you can provide. Andrew
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