Damiana Spadafora

Damiana Spadafora

Damiana Spadafora

While learning about cloud technologies and their potential Damiana kept hearing about the importance of data analysis and how Tableau was changing this field. After realising how data analysis was changing every field, Damiana eagerly jumped at the chance to learn everything about how to do it best with Tableau.

In her spare time Damiana likes doing yoga, burning time on her PS4 and learning new languages. She’s currently mastering Danish!

Data Densification Demystified

Did it ever occur to you that you created a table calculation in Tableau and the result didn't make any sense? You checked your formula, you checked how it was computing, you checked your addressing and your partitioning and it still wouldn't work? I may have the...

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Rent in San Francisco and the end of Dashboard Challenge

So we made it to the end of the Dashboard Challenge week, with enough brain cells left to decide to go to the pub and celebrate. It wasn't easy but it was incredibly fun. Small datasets, large datasets, and incredibly short amounts of time to complete each dashboard...

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Animating maps

My second daily contribution to this week's Dashboard Challenge is a remake of a visualisation from the Huffington Post: http://data.huffingtonpost.com/2013/03/gun-deaths It is quite harrowing, but it is beautiful and delivers the message to your brain and to your...

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How to deal with overcrowded dashboards (a mini guide)

Andy must have thought one blog post a day wasn't challenging enough, so he added one dashboard a day to the task list for this week. I understand that we exceeded his expectations but still... Anyway, I have been away for a couple of days so I will have to double...

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Your ultimate guide to Tableau shortcuts

  Here you can find the list of each shortcut and its function 🙂 Happy keying! New Workbook CTRL + N Open file CTRL + O Connect to data source CTRL + D Show me! CTRL + 1 Opens Help F1 Add selected field ENTER Place selected field on Rows Alt + Shift + R or Alt +...

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Bars are boring! Use cute little shapes instead!

Today's topic might not necessarily be best practice in terms of visualisation, but scores really high on the prettiness / quirkiness scale. I will show you how to replace your bars with... other bars, except that they will be made of little shapes 🙂 After we'll be...

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Filtering more than one data source using parameters

Third day of the Data School Week Tip. In the last post I have talked about how to use sets across data sources. Today I will talk about different data sources again, but this time it's about filtering more than one data source using parameters. It's a neat little...

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More fun with sets

The topic of today is sets. We use them all the time but do we really know what we can do with them? I have talked previously about how I am digging deeper into everything Tableau related in view of taking again the Qualified exam and the last thing I have mentioned...

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Using story points? Then do it well

The immense brain of Craig Bloodworth thinks that story points in Tableau don't have a good use case and they are usually employed in a really bad way. He is spot on in his second remark but I hope he will forgive me for disagreeing with point number one. Story points...

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Reflections on the eve of the first presentation to a customer

We keep on the "doing everything fast" trend here at the Data School. Week 4 and rather than being kept under Andy's protective wings we have just been thrown into helping a client understanding better how their jobs are scheduled and what is the performance level...

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Alteryx I love you, I hate you… No wait!

Week 2 of Data School. It turns out Andy gets bored if things slow down so he decided this week we had to: Get introduced to Alteryx Prepare for the Tableau qualification exam that we will take next Monday Complete a project that required cleaning up data with Alteryx...

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