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Micha
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> Hi, > > > So, I am wondering how do I find that scale factor exactly in order to have for example 95% confidence level? > > The (adapted) α can be taken from the following table. The last column refers to the quantile used to scale the confidence interval to the desired probability. > [img]https://i.ibb.co/KwY4DLn/jag3d.png[/img] > > > And do my standard deviations for x, y and z represent only 20% confidence level? > > Each single standard deviation represents a confidence level of about 68 %. However, the following plot shows two confidence regions as ellipses having [i]identical[/i] standard deviations. > [img]https://software.applied-geodesy.org/wiki/_media/least-squares-adjustment/confidence_ellipse.png[/img] > > Obviously, both ellipses are different, so they cannot have an identical confidence level. > > /Micha
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