Hi, I am trying to find a way to identify value of a point on curve intersected by line from x-axis. I am trying to overlay a series plot and needle plot. I know the value on x-axis for needle plot but would like to know corresponding value ( at the intersection point on seriesplot) on the curve and would like to display or extend the needle to that point ( i am uanble to figure out how to use TIP). I am using proc template with GTL code. Any help is appreciated. Thanks. Vijay
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