Implementing a circular barplot in Power BI

As you have already seen in the previous chapters, Power BI is capable of rendering graphs developed with ggplot2 using R visuals. Therefore, whatever the complexity of the graph created using ggplot2, you can be sure that Power BI handles it well.

To create a circular barplot in Power BI, proceed as follows:

1. Make sure that Power BI Desktop is referencing the version of CRAN R dedicated to R visuals in Options.
2. Click on Get Data, Text/CSV, and then Connect.
3. Select the Scores.csv file found in the Chapter15 folder and click Open.
4. You will see a preview of the CSV file. Make sure to select 65001: Unicode (UTF-8) as File Origin. This way, special characters in speaker names will be displayed correctly. Then, click on Load.
5. Click on the R Visual icon in the Visualizations panel, enable it, and then resize the visual as all the available canvas.
6. Keeping the R visual selected, expand the Scores table under the Fields...