The simplest way to do this is to copy your data show only every 25th point
and plot the reduced second set with symbols, and your original set with
lines only.

"retawol" wrote:

>
> Is it possible to control how many markers to show on a graph. For
> example in a graph with 500 points, I would like only to have a marker
> for every 25 points, but I still want the graph to "line thorugh" all
> points. I know I can delete a marker by selecting it and press delete,
> but with a lot of data point that is a lot of work....
>
>
> --
> retawol
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