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I remember IBM had produced a pdf a few years ago for Cognos 8 Report Studio with examples of MDX functions when building reports using. Summary: This tutorial introduces multidimensional expressions (MDX), a highly . OLAP Services supports MDX functions as a full language implementation. Introduction To MDX Functions For Cognos 8 Report Studio Product(s): Cognos 8 Area of Interest: Report Design. Introduction To MDX Functions For Cognos 8.

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It is important to understand the mechanism. Functons mentioned before if no hierarchy is selected in the member function, it will default to the measures. The same concept can be used for moving totals. Notify me of new posts by email. Hi Priya, What happens if you remove the check for 0?

The running functions are not supported at all in dimensional queries. As far as I am aware they are using Cognos Got an important idea that you want in Cognos? Place that on the rows, and use the total or count or average measure within set periodstodate etc. In this case you can use. What you function do instead is reference the YTD as the default value in the prompt macro:. I am able functuons do running count using your suggestion.

Hi, Have you tried generating categories always irrespective of the data in fact. When nested in crosstabs they also worked.

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I am able to validate my report now after making the required change as cgnos your suggession. Put the calculated member in the specified group in the Calculated members section of the dimension in the report builder. In the current year I want the line to stop at previous week. Nobody has any experience with multidmensional reporting and functioons are all used to working with framework manager pls excuse my possibly wrong terminology here.

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Create a new topic and post a copy of the report xml. The method I posted about relies on the contiguous members in a single level. Sign up or log in Sign up using Google. I have some flexibility on the cube design if necessary — but am dealing with very large data volumes. Consider the following request.

Cognossimplified: MDX Functions in Report studio

Thanks for the reply Paul! So far January 1 the expression would appear as:. Hi Paul, I am using running count in my query to calculate the number of occuerence of the the data item.

This will get all months in the Time dimension:. Hiding the value through a trick in the query is possible, but I suspect it would also decrease the queries performance. This content cannot be displayed without JavaScript. I missed to set always for one of the level.

Thank you so much for the quick response. I will get back to you with more info on how they go with this little challenge.

I should kick myself for doing that mistake. Maybe you want to enable the finish button if a member on the bottom level is selected, or to select the last member, or to ensure only 5 members are selected. If they run a report that uses it, I want it to fail hard with an unfriendly error message. Next, reopen the report. Not the best work-around, but the only one I can think of. July August Sep Oct Actual Which is a good thing, since the running functions are very limiting.

Save and close the report. So you should have two series in your graph, total actual within set periodstodate. Then a certain IBMer who will remain anonymous, had his session. But knowing these, we can then call other functions. I want the line for the current year to stop after the current month has been reached. Use comments either to describe some non-obvious complex calculations or also commenting is valuable during debugging of the calculation formulas.

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Please ignore my above question. I am able to calculate the moving-total in ascending order, is there a way to calculate the moving-total in descending order? I was wondering if there is any way to implement running count on a dimension where the level has been suppressed in the cube.

That would needlessly bloat the size of the cube, and may impact performance. Since moving totals are applied based on the sorting, you need to first run that calculation, then sort afterwards. No comparing different hierarchies. Some of these are enhancements that I believe should be instituded ASAP, and others just sound interesting. The easiest way how to use sets in calculation formulas is to use list of members enclosed in curly braces, e.

Is there any way to do a running-total using a year dimension with a seperate month dimension? Current context includes corresponding row and column ffunctions members of the report cell as well as selected page dimension members. In my current year line, I need to show the line until previous week. You can programmatically set the default value of the tree prompt using JavaScript.