Challenge #43: Inspire Europe '16 Grand Prix (L2)

[kat]

7 minutes - but didn't filter my question 2 and 3 result on Leeds postcodes...

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[PrivateStorm]

My solution to challenge #43 is attached.

[lminors]

European Grand Prix Preliminary practice! Done.

Luke Minors

Consultant - Keyrus UK

[OllieClarke]

Did it in less than 10 mins, although my workflow looked like this:

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Here's how the cleaned up version looked:

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[KOBoyle]

Solution attached.

[MarMu]

Fun challenge. Managed to solve it just below the time cap.

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[JoBen]

Cheers!

[kelly_gilbert]

I was able to complete the challenge in 10 minutes, but my solutions didn't match! Reasons inside the spoiler tag...

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Since 1,211 records couldn't be matched to a post code, I answered questions 2 and 3 from the original dataset:




If I change my solution to use only the matched records, my solutions match the given solution:



Also, I and many others interpreted question #3 to be [2015] minus [2014] (a positive value, 0.009511), while the solution gives [2014] minus [2015], or -009511.

[Wouter]

My solution:

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