Wednesday, 5 February 2014

Moving average chart.... QlikCommunity discussion

Following on from my post on six sigma charts here, a discussion has opened up on QlikCommunity on moving the average once the n-points rule has been violated.

The problem is that the calculation for the average is iterative- once you work out a new average, the test for the points moves. This makes it tricky to achieve in the application, although it can be done in the script.

Any ideas anyone?


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