When loaded click, “Update Now” to visualise your data to check all is ok: You’ll be presented to a similar Tableau desktop data connection view where we’re going to click, “Upload from computer” to add our new fake energy data. Once signed in at the top left click the create dropdown menu and then Web Authoring: We have our data prepped, head over to Tableau Public and sign in or create and account, we can only use this pilot on Tableau Public Web Authoring for the time being. All you need to remember is each line of your data would be unique and becomes a part of the total volume: I’ll provide some fake data below for you to add to excel and use or you can download it at the bottom of the post. Now for the data, there’s not much in Tableau Public news that mentions data structure, so with a little testing, I realised it’s actually relatively basic, and the same data can be used for both charts. Remember firstly that visualisations should be understandable and tell a story without requiring huge amounts of time or complex thinking ![]() Don’t just add one because it looks “cool.” Which may be hard, because they definitely look cool. With both charts, they are good for whole to part relationships or flows, so use cases for them should be valid. ![]() Radial charts are effective in comparing multiple data sets or showcasing patterns that might be obscured in linear formats, providing an intuitive and aesthetically pleasing way to visualize complex relationships. This type of chart is best suited for displaying cyclical or periodic data, such as trends over time or relationships between variables that have circular patterns. On the other hand, a Radial chart, also known as a Circular or Polar chart, is a graphical representation where data points are plotted along the circumference of a circle, with their distance from the centre representing their value. By using proportional arrows to represent the magnitude of the flows, Sankey charts effectively highlight where resources are allocated, how they change over time or the efficiency of a process. It emphasizes the flow of resources, energy or quantities through a system, making it particularly useful for illustrating the relationships between inputs and outputs. SankeyĪ Sankey chart is a type of flow diagram that is best used for visualizing the distribution of data across multiple stages, processes or categories. Before we jump into building some data and charts, let’s look at what the two new chart types are and when they should be used. ![]() ![]() This has become much easier with this new pilot feature and takes building a chart from hours down to minutes in a fantastic, innovative leap forward. Sankey and Radial charts are these special charts people have had to custom build within Tableau in previous workbooks, with union data back on itself and sometimes complex maths equations. That’s not going to stop us playing around and having fun though, is it? This pilot of the two new chart types will be available until June 30 where on that date all charts will be switched back to automatic on the marks card and visualisations will be lost. So, let’s say hello, albeit temporarily to Sankey and Radial charts in Tableau Public! We will cover a “Pilot” feature which I know many others would really benefit from releasing in later release of both Tableau Server and Tableau Cloud. This week’s blog is going to be a little different than the previous.
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