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- How to use ApproxStdErr from Nonliear model in a Tukey analysis?

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Sep 13, 2016 11:28 AM
(3357 views)

I am using a 4p nonlinear model to get the inflection points of curves defined by my data, theta4. I would like to then run something like a Tukey analysis to determine if there are significant differences between these inflection points. I have been looking for a way to pass the ApproxStdErr from the 4p model but have not found a solution. It seems to me that this should be a fairly common situation and would appreciate any guidance in how it should be solved.

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Richard,

If you are fitting your models using the non-linear platform with a grouping variable for your different "groups" then there is an option called compare estimates that utilizes Analysis of Means to compare the parameter estimates across the groups.

Karen

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Richard,

If you are fitting your models using the non-linear platform with a grouping variable for your different "groups" then there is an option called compare estimates that utilizes Analysis of Means to compare the parameter estimates across the groups.

Karen

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Re: How to use ApproxStdErr from Nonliear model in a Tukey analysis?

Thanks Karen, that was what I was looking for.