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skgdt330

Australia
1 Posts
Posted - 12/04/2024 :  1:49:13 PM  Show Profile  Edit Topic  Reply with Quote  View user's IP address  Delete Topic
This is a graph obtained by integrating a curve starting from its maximum value.
I want to find the points corresponding to 10% and 20%, draw lines at those points, and calculate the x-intercepts. How can I do this?

snowli

USA
1390 Posts
Posted - 12/04/2024 :  3:16:36 PM  Show Profile  Edit Reply  Reply with Quote  View user's IP address  Delete Reply
Hello,

I suppose you want to draw vertical lines at where 10 and 20 percentile is in graph.

Go to the worksheet where the integration result is (usually it's in same sheet as original data)

You can add F(x) formula e.g. to calculate percentile values (column D) and where corresponding X is (column E).

Then in graph, double click X axis to add reference line at col(E)'s location. See the "Reference Lines at Value" setting on top of the dialog.



Thanks, Snow
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NicholasSupport

USA
57 Posts
Posted - 12/04/2024 :  3:18:41 PM  Show Profile  Edit Reply  Reply with Quote  View user's IP address  Delete Reply
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