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 Prediction band with same start & end point		  New Topic  Reply to Topic
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Bigdragon

1 Posts
Posted - 08/05/2021 :  6:58:32 PM  Show Profile  Edit Topic  Reply with Quote  View user's IP address  Delete Topic
Hi

It's my first time to use OrigonPro
so I need help to solve this problem..

Anyway I got 4 order polynomial regression line
from X, Y data (numerical, X = Progress, Y = Input, Unit : %)



I'm really satisfied with this program
but I don't know how to mitigate this graph
like below
(Same Start and end point with baggy shape)




Please help
Thanks

YimingChen

1609 Posts
Posted - 08/06/2021 :  09:47:38 AM  Show Profile  Edit Reply  Reply with Quote  View user's IP address  Delete Reply
Not quite sure what you want exactly. Do you want to draw a confidence ellipse on top of the data? It would be helpful if you can attach an example graph showing what you expect.

James
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