In this power BI visualization tutorial, we focus on comparing sales data from a vertical dataset across different years. Beginning with data transformation in the Power Query Editor, we progress to creating a comparative visual for a dashboard. Step by step, we navigate through loading data, adding visual elements like text boxes and line charts, and optimizing their appearance. The tutorial demonstrates techniques such as converting line charts to pie or donut charts, adding slicers, and comparing sales across years and months. The importance of establishing relationships between tables for effective filtering is highlighted, concluding with a reminder to engage with the tutorial’s content for more insightful updates.
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