Challenge #3: Running Averages

[bklninjah]

A little tricky due to NULL values and not grouping by month and year.

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[gradyjofficial]

my solution

first time using imputation tool!

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[Muratie]

I was confused by the moving average example given in instructions...the three numbers given divide by 3 does not equal the moving average supplied as the example answer.

Month: Value: Running 3 mo. Average:
1 218 218
2 200 212
3 272 233

218+200+272 = 690 / 3 = 230 (not 233)

I am fairly pleased with my answer from an eloquence perspective. Would love for someone to give it a look over, but seems to be producing the correct output.

Originally was doing multiple multi-row formulas, but the transpose then cross tab approach worked pretty well.

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[aiahwieder]

Good intro to multi-row/group by tool.

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[dpuls]

My solution to number 3.  Two joins at the end for clarity of flow.  

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[cplewis90]

Finally posting some of my solutions! This was a really fun one! 

Spoiler

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[prislam]

Spoiler

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[pionut]

Hi,

Below is my solution for Challenge 3.

Cheers,

IP

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[juansagasta]

Spoiler

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[nikolaskardasis]

Spoiler

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