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Running Average in Pivot Table/Chart

Posted on 2011-02-22
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Last Modified: 2012-05-11
Can anybody tell me if there is a way to construct/display a running average in a pivot table/chart.
I am trying to show the time it takes to close a ticket and would like to display the running average to show if the average closure time is going up or down.
Any help is appreciated.
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Question by:greentatertot1970
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6 Comments
 
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Expert Comment

by:dlmille
ID: 34954490
You need to create as Pivot Field (Calculated Field) to do that to avoid creating averages of averages.  I believe you want weighted average?

Here's a couple online tips.  If you load a non-confidential spreadsheet, I'll show you how to build it in, if further assistance is required:

http://www.mrexcel.com/forum/showthread.php?t=30526 

http://excel.tips.net/Pages/T002900_Weighted_Averages_in_a_PivotTable.html

Again, if you're going down a different path - upload a sample we can work it no problem.

Dave
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LVL 42

Expert Comment

by:dlmille
ID: 34954535
I may have misread.  Let me work up an example which may be more in line to your query.

Dave
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LVL 42

Expert Comment

by:dlmille
ID: 34954586
Yes - perhaps the solution is simpler than I initially thought.  I created a sample dataset with random start/end dates, then fixed those.  I then created a running average column which I pivoted and trended.

Is this going the direct you're looking for?

Dave sampleRunning-Average-Pivot-r1.xls
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LVL 42

Accepted Solution

by:
dlmille earned 500 total points
ID: 34954718
It doesn't appear Pivot Tables support MOVING AVERAGES, again, this can be something generated to the SIDE of the  Pivot Table.

http://chandoo.org/wp/2009/04/28/calculate-moving-average/  Provides an example if you read down the posts.


Dave
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Author Comment

by:greentatertot1970
ID: 34954732
Yes... this looks like the direction I am wanting to take. I'll look at what you have provided. Thank you!
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Author Closing Comment

by:greentatertot1970
ID: 35017574
Thanks Dave!
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