Hello and welcome to my Nuzzel newsletter!
David Napoli
(Husband & Dad, Healthcare Analytics & #dataviz, Cyclist, and Yankees fan. Recovering Rocket Scientist.)
Part 1 of our series on SQL for Tableau dealt with the basics. In part 2, we'll be talking about combining data. Before jumping into the topic, I just want to say that this is a big topic, which includes some of the most critical and powerful SQL…
David NapoliCombining data with unions and joins — the next step is this great tutorial series
The internet is awash in Venn diagrams of SQL JOINs and explanations of why they're necessary. Though it would be nice if we could answer every data question with a single table, more often than not, to get a complete picture, we need to combine…
David NapoliAnd here is more insight on SQL Joins, including details on Python and R
Posted by Scott Tealon September 17, 2018 Previous Post We have a winner! We were delighted to see all of the splashing vizzes from Iron Viz Water. With 78 submissions, it was the largest competition of 2018. The submissions have been scored, and…
David NapoliWonderful collection of award-winning Tableau #dataviz
I have been trying to build a Stream Graph in Tableau for a few days now. What a coincidence, Alex Jones offered us his (beautiful) version one week ago. Alex's visualization uses the ThemeRiver algorithm upstream for point placement and data…
David NapoliNot familiar with a stream graph? This post is a great intro as well as a tutorial on how to create one, from beginning to end, in Tableau
This post is is based on another demo from my SQLSaturday session on Python integration in Power BI. Its a handy real world scenario that could easily be re-applied with minor changes to the script. The primary pattern is unpivot functionality…
David NapoliVery handy approach on data scenario which comes up quite often
Presentations, whether to board members, colleagues, stakeholders or investors, are now a crucial skill, and it is no longer enough to illustrate your message with static PowerPoint lists of dot points. This is where graphics come in. As…
David NapoliAgree with the comment in this post that graphics can be thought of as 'visual abstracts' … this is even a concept that has taken hold in some research journals
When researchers first discovered a link in the late 1990s between childhood adversity and chronic health problems later in life, the real revelation was how common those experiences were across all socioeconomic groups. But the first major study…
David NapoliA very real impact which we must address as #CommunitiesOfSolution
David Napoli
