Channel

Data

During the Christmas holiday, I noticed this tweet from a friend, Paul Banoub: This frustration isn’t uncommon. About 25% of the clients I’ve worked with during the last seven years have underutilized Tableau initially because they didn’t use Tableau’s visual analytics (available via Show Me) to...

A bullet graph is a very powerful way to compare data against historical performance or pre-assigned thresholds. As you’ll see, we can include a lot of information in a small space with this type of chart that is also Tableau’s answer to those looking for...

During the past year, I’ve given lots of speeches and spoken with hundreds of people that are using Tableau. Many are expanding their Tableau Server deployments. Most people want to know how to ensure success or improve the utilization of the tool. They want to...

The Gantt chart was invented back in the 1910s by Mr. Henry Gantt as a way to visualize a schedule or progression of time. Since then, the Gantt chart has become a staple of project management methodology. Each task can be planned as an individual...

A few years ago while strolling through the streets of Barcelona during the European Tableau Customer Conference, I had dinner with a former Tableau employee (Bruno SAINT-CAST). He said something to me then that really resonated with my own experience with Tableau. Bruno said, “I think...

A histogram is a visual representation of the distribution of data. There are two ways to create a histogram: 1. Select a single measure. Right-click on that measure to create a bin field. Drag the bin field from Dimensions to the Column shelf. Drag and drop...

The scatter plot, also known as a scatter diagram, scatter chart, scattergram or scatter graph, is useful to compare two different measures for patterns. Like the circle view and the side-by-side circle chart, the scatter plot also uses symbols to visualize data. The big difference...

A few weeks ago, I wrote about the wonderful world of graph theory and graph databases. In doing so, I touched briefly on some of the practical uses of graphs. I would like to expand on this by looking at a specific use case: recommendations. We...

Typical day-to-day analysis is focused on things that have happened in recent days, months or years. We seldom go far enough into the past to make us think about what to do with dates prior to “date zero” (normally, January 1, 1900). That is unless...

Tim Costello shares his Speaker Idol talk from SQL PASS Summit 2014. Speaker Idol is a speaking contest among 12 of the sharpest SQL minds in the industry. Whoever gives the best presentation wins. The prize is a speaking spot at next year's summit. "If you...

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