How do I use visual filtering on iOS?
Visual filter means that you interactively select a subset of a chart and it re-draws to show just that section.
Tap and hold to activate the chart menu.
            
        
Keep holding and slide to the menu item to activate drag-select filtering mode.
            
        
Drag-select to drill down to lower levels of detail, based on what columns you select.
Note: To exit drag-select mode before selecting, click the
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The chart is updated to show the selected subset of data.