How to use time series functions for this requirement

we are on OBIEE 11g (11.1.1.5)
Any pointers and links are really helpful.
I have a requirement where YTD sales are displayed in a column. We wan to compare that number to what that number was last year at the same time. Tried to use TODATE, AGO and it did not work.
|| used for column seperation below.
ProductGroup || YTD Sales Rev||YTD Sales Rev 1 Year Ago||YTD Sales Rev 2 Years Ago
Climate Solutions || 1.7 mil (1/1/2011 - 7/1/2011) || 1.45 mil (1/1/2010 - 7/1/2010) || 1.15 mil (1/1/2009 - 7/1/2009)
Thanks in advance
kris
Edited by: user566193 on Aug 10, 2011 6:06 PM

Kris,
Basically you want to combine the 2 time series functions here i.e. TODATE & AGO.
Here you go..
You can create first a YTD logical column in BMM say YTD Sales Rev..Then create another logical column with calculation as AGO(YTD Sales Rev, YEARDIM, 1) or AGO(YTD Sales Rev, MONTHDIM, 12).
Similarly, you create other measures...OBIEE 11g has time series function in Answers as well but I'd say try to create using RPD as you to calculate 1 logical column based on another. Better to push it on RPD side.
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