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Describe and implement aggregate functions Power BI uses the term aggregate to refer to mathematical functions that it executes on values obtained from data sources. When Power BI evaluates data, it automatically aggregates certain data types to anticipate the needs of the developer in creating a report. For example, when Power BI imports a table containing sales figures for a company’s branch offices, it might aggregate those figures using the sum function to add up totals for the product sales categories. Although Power BI does this automatically, it is still possible for developers to modify the automatic aggregations or apply new aggregations to data asRead More →