Carl Allchin

@Datajedininja

The Other Head Coach at The Data School and Tableau Social Media Ambassador. Co-founder of

London
Vrijeme pridruživanja: siječanj 2013.

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  1. 31. sij

    Joins are always a tough session at when people haven't looked at them before. As they are essential in data work, I have tried to create a basic 'How to...' to act as a reference alongside my teaching. I hope it helps:

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  2. 31. sij

    When I interview people for the it’s clear is an important skill. and I have paired up to create a free intro course that includes and . It's live from today at

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  3. 29. sij

    Great, clear write-up of Week 4 challenge by Tom. Thanks for the support, Tom.

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  4. 29. sij

    This week's is a challenge with a difference - it's a technique challenge. We've used Rank before but not Standard Competition Rank in our challenges. Can you complete it? A slight Rugby theme too.

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  5. 28. sij

    I wish I could attend this. If you're in the Dublin area, don't miss out. A similar event last year got rave reviews.

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  6. 27. sij

    Happy Monday everyone. I spent the weekend working on a couple of new posts for the 'How To...' blog for Connecting to a database: Outputting data to a file:

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  7. 24. sij

    The latest 'How to...' post on looks at how Prep can help you prepare your Free Text for analysis in Desktop. There's lots of advice for how to handle more complex string data manipulation to (spoiler - Prep makes this easy)

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  8. 23. sij

    Hey , the power has just gone out at Crofton Park and plunged the station in to darkness. No way to tag in (or see to get down the stairs).

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  9. 22. sij

    I can't imagine completing Data Preparation tasks without Filtering. Here's my 'How To...' on what you need to know and should be thinking about when filtering

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  10. 22. sij

    Week 4 is live! This week is all about deduplicating and cleaning survey data. (It's also a lot easier than last week hopefully!)

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  11. 21. sij

    For those of you who wrangled the beast, here is 's solution post. Lots of great stuff to go through but also that documentation of the container borders! Would love that as a feature.

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  12. proslijedio/la je Tweet
    20. sij

    Join , and I for a MakeoverMonday live at 11am GMT today. I'll try make something good in the hour slot! Register:

    Prikaži ovu nit
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  13. 15. sij

    The Updated tracker is live. Year-by-year breakdowns available, as well as seeing how you've progressed over time (click your name to filter the submission timeline).

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  14. 15. sij

    He's back and better than ever! has created a brilliant challenge for Week 3 2020 . All I'll say is good luck!

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  15. 14. sij

    Thanks Tom. Hopefully this has given lots of ideas for how to approach this challenge.

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  16. 14. sij

    Would you love a Performance Recorder in Prep? I know I would. Please vote up the idea so we can understand best practice and performance improvements: (I did search for similar ideas but couldn't find any)

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  17. 13. sij
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  18. 13. sij

    This is ’s Desktop left here with no comment.

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  19. 13. sij
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  20. 8. sij

    Sorry for being a little later in the day this week but I was travelling to Spain. Here’s Week 2 for 2020 Don’t forget to fill in the tracker. New viz coming soon. Thanks to for the challenge.

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