New multi-tool data visualization learning site.You’ll find low-cost, short, focused and practical courses on multiple topics and step-by-step instructions.
A single horizon chart is easy to make in Excel using overlapping columns or areas (the trick is to structure the data the right way). But the horizon chart is a variation of small multiples, so what makes sense is to stack them to compare multiple entities. That’s problematic in Excel. But many charts can … Read more
I need to learn PowerBI, as soon as possible (per client request). So, I spent much of last week using it. I wrote about the depressing experience on Twitter. I also commented on this post, and its author, Vitali Burla, invited me to show an example of a chart that can be done in Tableau … Read more
When I saw Paris for the first time I was like, meh. Not Paris’ fault. This was the second leg of a trip that started in Prague, and I was still in a process of digesting the city’s overwhelming beauty. After a couple of days, I was able to enjoy Paris, not in full, but … Read more
How do Excel and Tableau compare when actually making a chart? I couldn’t find such post, so I wrote one. I’ll create a simple chart, a population pyramid, and comment on the process. To make it a bit more interesting, we’ll compare a certain population in 1986 with the estimates for 2050. The Data Let’s … Read more
After creating wordless instructions for making charts in Excel, here is the Tableau version. This post discusses similarities and differences between both tools. Check out the e-books at the bottom! How to make a chart To make a chart, you must select the data, encode the data into visual objects, format those objects, and add text … Read more
It began with a tweet: Data tweeps: Help! I need to become a competent data viz thinker, well, immediately. Are there “must-read” sources that y’all can suggest? — Lindsey Leininger (@lindsleininger) September 27, 2017 In spite of being a notorious Excel Brute Forcer (thanks, Elijah!), I was invited for a presentation at JMP and was working on … Read more
So our usually calm data visualization corner on Twitter was shaken by this tweet: Forget pepperoni – mushroom is Britain's most liked pizza topping (65%), followed by onion (62%) and then ham (61%) https://t.co/5kYikXOEtF pic.twitter.com/AJezMfJHbk — YouGov (@YouGov) March 6, 2017 quickly followed by this one: We're very sorry for the confusion, but this is … Read more