Microsoft Power BI Quick Start Guide
by Devin Knight, Brian Knight, Mitchell Pearson, Manuel Quintana
Data categorization
Power BI makes some assumptions about your columns based on data types, column names, and relationships in the data model. These assumptions are used in the report view when building visualizations to improve your default experience with the tool. Once you start building visualizations, you will notice that Power BI selects different types of visuals for different columns; this is by design. Power BI also decides column placement within the fields section of a visual, and you will learn more about the creation of visuals in Chapter 5, Visualizing Data. As you saw previously in this chapter, when Power BI detects a column that has numeric values, a default aggregation is assigned. Power BI assumes you will want to aggregate ...
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