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Challenge #126: Fill in the [Date] Gaps

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Alteryx Community Team
Alteryx Community Team

In this week's challenge, we are trying to prep our data for a time lapse visualization of certification exams passed in each country. In order to achieve this visualization, we have to make sure that each country has a running total for every day between 10/1/2018 and today (datetimenow). However, we only have dates for when a certificate was earned by each country. For each country, add in all the date gaps, calculate a running totals and update the running totals to report '0' for a running total in time before the first exam was passed.

worldmapgif.gif

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16 - Nebula
16 - Nebula

Here's my solution

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Alteryx Community Team
Alteryx Community Team

@patrick_digan. Pure unadulterated speed on that solution. 

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16 - Nebula
16 - Nebula

@JoeM My speed was a little slow last week for the first leg of the grand prix (I didn't finish it in under 12 minutes) so I tried to make up for it this week!

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14 - Magnetar
14 - Magnetar

My solution! 

 

PS. @patrick_digan, I agree, that was impressive. You must just sit with mouse at the ready, waiting for the next challenge to come out each week!!! Blazing fast!

 

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Cheers,

NJ

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12 - Quasar
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12 - Quasar
12 - Quasar

Everyone is very fast this week LOL!  Love the viz by the way @JoeM.

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Alteryx Partner

Here's my solution:

 

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Had some trouble with the Join until I realized that I only had one of each date (and not one for each country). At first I solved by adding a TextInput, but I the summarize makes it so that this workflow will still work if the input data changes.

Loved this challenge, really shows off some of the important steps in creating cool visualizations like the one above.

 

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8 - Asteroid

There is an error in your question - it should start from 2017-10-01 (and not 10/1/2018).

 

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Alteryx Certified Partner

This was a fun one! I have to scaffold with dates frequently for work, so a very familiar topic.

 

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