Analyze Data Ratios with Tableau Pie Charts

Pie charts are a type of visualization that is used to show the proportions or percentages of different categories in a dataset. They consist of a circular chart which is divided into slices, each slice representing a different category and the size of the slice representing the proportion or percentage of the category in the dataset. 

Pie charts are often used for showing the distribution of data across categories, and they can be especially useful for comparing the relative sizes of different categories.

To create a pie chart in Tableau, you will need to have your data organized in a way that includes at least one field representing the categories you want to analyze and another field representing the proportions or percentages of each category. Here’s a general outline of the steps you can follow:

1. Connect to your data source in Tableau and select the fields you want to use for your pie chart.
2. Drag the field representing the categories onto the Columns shelf.
3. Drag the field representing the proportions or percentages onto the Rows shelf and select a continuous data type.
4. Select a pie chart as the visualization type. Tableau will automatically create a pie chart using the fields you have placed on the shelves.
5. To customize the appearance and behavior of your pie chart, you can use the options in the “Format” and “Analyze” menus. 

Data analysts, scientists, statisticians, and others use Tableau, a very potent data visualisation tool, to view the data and get a clear conclusion that is supported by the analysis of the data. Because it can process data quickly and generate the desired data visualisation output, Tableau is incredibly well-known.

A circle-shaped statistical visual that is divided into slices, such as a numerical proportion, is known as a pie chart (or circle chart). Every slice’s arc in a pie chart is inversely proportional to the number it depicts, as are its centre angle and area.