Implementing a circular barplot in Power BI

As you have already seen in the previous chapters, Power BI is able to render graphs developed with ggplot2 using R visuals. So, no matter how complex the graph you created with ggplot2 is, you can be sure that Power BI will handle it well.

To create a circular barplot in Power BI, follow these steps:

1. Make sure that Power BI Desktop is pointing to the version of CRAN R that is dedicated to R visuals in Options.
2. Click on Get data, and then click Text/CSV.
3. Select the Scores.csv file located in the Chapter 21 folder and click Open.
4. You will see a preview of the CSV file. Be sure to select 65001: Unicode (UTF-8) for File Origin. This will ensure that special characters in speaker names are displayed correctly. Then, click on Load.
5. Click on the R Visual icon in the Visualizations panel, enable it, and then resize the visual to fit the entire available canvas.
6. With the R visual selected, expand the...