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Slicers Change the Answer

Part of the Power BI Basics section of Coddy's Power BI journey. Lesson 17 of 28.

A slicer adds its filter to every calculation on the page.

The filters combine: the bar's category and the slicer's year. A row must pass both.

The total gets the slicer filter too. The measure itself never changes.

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Challenge

Mia wants this year's numbers. Build a bar chart of Revenue by category, with a slicer (or filter) on Dates[Year] set to 2025.

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All lessons in Power BI Basics

1Meet Power BI

What Power BI IsTables, Rows and ColumnsYour First ChartSum, Count and AverageFilters and SlicersRecap - Mia's First Report

4Calculated Columns

Columns vs MeasuresIF in a ColumnText ColumnsLooking Up with RELATEDColumns Feed MeasuresProfit and MarginWhen to Use WhichRecap - Profit by Category

2Your First Measures

What a Measure IsCounting RowsAverage, Min and MaxCounting Distinct ThingsMeasures Can Do MathSafe Division with DIVIDEMeasures Use Other MeasuresRecap - The Numbers Mia Wants

3One Measure, Many Answers

Same Measure, Every BarThe Total RowSlicers Change the AnswerTwo Fields on RowsFilters Follow RelationshipsRecap - The Store Report