Help with line chart - add markers

Hi Everyone,

I assume my problem should have a straightforward solution (IBM SPSS 27.0). How to add markers to a line chart in SPSS?! I created line graphs of Atlantic salmon movements with the date on the x-axis and distance on the y-axis. I want to add markers to the lines to represent when a fish was detected. If a fish remained in the same position over several detections, this information is missing since there is only a horizontal line. I added two pictures to illustrate the "problem". One is the SPSS output with no markers. The other one is an example with markers I quickly put together in excel. line_chart_no markers.png line_chart_markers.png I quickly put together in excel.

Thanks very much for the help!!!

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