• views: 161
• date: 13 February 2026
• posted by: AD-TEAM

Welcome to the Power BI weekly series. Each week, instructor Helen Wall covers an interesting and relevant topic in Power BI, the low-code business intelligence platform from Microsoft. Helen covers topics like optimizing dynamic dynamic on-screen actions, DAX tricks, Power Query techniques, and customizing visuals for the end users. If you want to get more out of this interactive data visualization software, check back weekly for Helen's latest lessons.

Learning objectives

• Edit and create reports in Power BI Report Builder.
  
• Add DAX measures as data labels to visuals.
  
• Fill in missing values in time series data.
  
• Use a Power Query transformation trick, DAX measures, and color formatting to highlight a line chart visual.
  
• Configure a pop-out slicer pane that expands and collapses on a Power BI page.
  
• Add gridlines to an existing Power BI visual.
  
• Calculate new sales and customer count from new customers in a given time period.
  
• Learn how to use the Python script data connector in Power Query.
  
• Create an interactive logistic regression visual in Power BI.
  

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