Challenge #3: Running Averages
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I got to use my multi -field multi -row multi -column macro.
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Here my solution (not using Abacus tools...)
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I'm not very original when it comes to solving this particular problem, that's for sure.
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Pretty much as most others did it, tweaked from using AVERAGE() also
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It took quite bit of time to understand why transposition was required. Once I got that the rest was easy. I used brute force method to rename columns and it is now as I look, I see that there is a transform for that too! More and more I work on Alteryx, I am falling in love with it. It's incredibly powerful to keep running portions of the code.
Also what would have helped is to give more detailed example on how the 3 month average is worked out. For the first two rows, I had hard time understanding how their values have come about. I struggled a lot to work out how is it getting calculated. Some more explanation would have been good.
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Upon reading the solution, I've done something very simple in probably the most complex way (facepalm).
Anyways, my solution is attached.
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This one took me a while to figure out why I could not match the output results. When I finally gave up and started reading the comments I realized it was because the data was mixing up 0's and nulls and unlike my SQL tools nulls are calculated to return a null. That is an issue with our scientific data methods because nulls do not mean 0 they mean no data was collected. As suggested by @jdunkerley79 I will need to look more into using Abacus tools.
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Solution Attached
Widgets Used:
- Transpose
- Cross Tab
- Multi Row Formula
- Join Multiple
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