BUSANL-SEMIFINALS

It refers to the process of combining multiple data values into a single value, typically to perform calculations or create more meaningful visualizations.

There are several methods for aggregation in Tableau

allow users to create new fields based on existing data, utilizing functions like aggregation functions. For example, you can calculate the average sales by region using the AVG function in a calculated field.

- Tableau provides various of this functions like SUM, AVG, MIN, MAX, and COUNT for common tasks such as summing values, calculating averages, finding minimum or maximum values, or counting records. These functions can be applied in calculated fields or directly on the visualization.

- Is a Tableau feature where users can specify how data should be aggregated in a visualization. When a measure is dragged onto the this, Tableau automatically applies the default aggregation function. Users can change the function by right-clicking the measure and selecting a different one.

- Understand whether your data is discrete or continuous

(categorial, countable, like product categories)

(numeric, measurable, like sales amounts)

- Determine the level of granularity required for your analysis.

- Ensure that the data being aggregated is accurate, complete, and free of errors.