Tableau is a powerful data visualization tool that allows users to create interactive and engaging visualizations from a wide range of data sources. One of the key features of Tableau is its ability to perform calculations on the data, which can be used to analyze and understand the data more effectively. Table calculations are a type of calculation that is performed on the data in the table, rather than on individual data points. In this article, we will provide a beginner’s guide to Tableau table calculations.

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1. Understanding the Basics Table calculations in Tableau are performed on the data in the table, rather than on individual data points. This means that the calculations are performed on the entire set of data, rather than on a single point. Table calculations can be used to calculate things like running totals, moving averages, and percent changes.
2. Creating a Table Calculation To create a table calculation in Tableau, you will first need to select the field that you want to calculate. Once the field is selected, you can choose a calculation from the “Analysis” menu. Table calculations can be performed on a variety of different types of data, including numeric, date, and string data.
3. Using Table Calculation in Visualizations Table calculations can be used in a variety of different types of visualizations, including bar charts, line charts, and scatter plots. To use a table calculation in a visualization, you will need to drag the calculated field onto the “Columns” or “Rows” shelf. This will display the calculated field in the visualization.
4. Using Table Calculations in Filters Table calculations can also be used in filters, which allows you to filter the data based on the results of the calculation. To use a table calculation in a filter, you will need to drag the calculated field onto the “Filters” shelf. This will allow you to set conditions based on the results of the calculation.
5. Advanced Table Calculations Tableau has many advanced table calculations available such as the ability to perform calculations on specific subsets of data, or create calculations that are based on the results of other calculations. These advanced calculations can be created by using the “Table Calculation” option in the “Analysis” menu and configuring the settings as needed.

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In conclusion, Tableau table calculations are a powerful feature that allows users to analyze and understand data more effectively. They can be used in a variety of different types of visualizations and filters, and can be performed on a variety of different types of data. With a little bit of practice and experimentation, you can master the basics of Tableau table calculations and take your data visualization skills to the next level.

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