The Tableau Performance Checklist: Filtering – Don’t Be Lazy with User Filters
The final topic in Filtering addresses when and when not to use user filters and how it can slow down your visualization: “Don’t be lazy with user filters. Security by user filters can impact performance on Tableau Server as the server cannot share connections and query caches if user filters are active. Consider building a […]
Percentile Distributions as a Dimension in Tableau
The Problem During a recent engagement a client asked a question I hear occasionally regarding Tableau which basically boiled down to: “How do I show marks for the percentile ranks of my customers by Sales?” The client wanted to aggregate their measure, we’re using Superstore Sales here, up to the Customer level (Superstore stores information at […]
The Database World Is Big
Keeping track of the growing number and types of database products is a full-time chore. This week I spent a few days in Vail, Colorado at the Pacific Crest Global Technology Forum. This is the 17th year that Pacific Crest Securities has sponsored the event—bringing together leading experts and companies in technology with the investment […]
The Data Behind Team InterWorks at Oklahoma Freewheel
Earlier this year, a good friend of mine, who is responsible for me working at InterWorks, wrote a blog post about his personal weight loss journey and how he uses data to enhance his training efficiency. Brian’s post really made an impact internally at InterWorks. We saw someone very loved within the InterWorks family become practically half (physically) the […]
Video: Improving Workbook Performance Using the Tableau Performance Checklist
Just a few days ago, I had the privilege of attending and presenting at the latest Baton Rouge TUG meeting. As an LSU alumnus (Geaux Tigers!), I was thrilled at the opportunity. It was also great to see how much the Tableau community has grown there. My presentation covered something every Tableau user seeks to […]
Moving Redis Heap Files in Tableau Server
I was plugging away at various tasks yesterday when I received a fun notification from Windows: “You have low disk space on C:” This isn’t unusual, as I have an SSD on my C: drive and have to clean it up every now again. I was surprised because I had just freed up 5-6 GB and […]
Visualizing 30 Years of Oklahoma Tornados
When you think of Oklahoma, what comes to mind? Maybe you think of cowboys, farming, Native American culture or the oil and gas industry. All of those are common answers, but there’s something associated with Oklahoma’s identity more than anything else: tornados. This weather phenomenon definitely isn’t unique to Oklahoma (just ask our neighbors), but […]
10 Questions for Tableau Educator Matthew Lutton
Matthew is relatively new to the Tableau world (with a little over two years in the Tableau sphere) and I have to admit, I didn’t know about him and didn’t meet him until the annual Tableau Conference last year in Seattle. Like a bullet, he came out of nowhere and made a mark. We do […]
Data Viz: Is an MBA Worth the Investment?
“Is an MBA worth the investment? The answer to this question is the standard MBA answer: It depends. The worth of an MBA depends on a variety of factors. Perhaps the most important of these is return on investment (ROI), which can vary greatly between MBA programs. Other key factors include a program’s ranking and how difficult it is […]
Tableau Server Security Advisory: User Impersonation
Earlier this week, Tableau Software published a security advisory detailing a security vulnerability affecting Tableau Server. This vulnerability enables a user to impersonate a different user, which could allow them to access sensitive dashboards/data or to perform actions that they normally wouldn’t be able to perform. Affected versions of Tableau Server include: Tableau Server 8.1 through 8.1.20 Tableau […]