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JMP Wish List

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R-squared estimation for mixed multi-variate models

What inspired this wish list request? 

We have numbers of processes that need mixed multi-variate modeling and understanding.

Currently we have an Excel and Python implementation of the following paper:

https://besjournals.onlinelibrary.wiley.com/doi/10.1111/j.2041-210x.2012.00261.x

To estimate fixed parameter variance, random parameters variance, and the residual and hence calculate R-squared values for each.

JMP 17.2 does not do this automatically hence Excel and Python implementations. 

What is the improvement you would like to see? 

Please see the attached mark-up (an output from our Python script) that directly marks the R2 on the marginal (fixed) effects plot, marginal + conditional effects plot. It also numerically displays marginal, conditional, delta between conditional and marginal and the residual as a table (not illustrated). 

Why is this idea important? 

Most real-world process engineers think in terms of R-squared values. We have > 130 engineers doing this manually in excel, which is now pythonized. However a directly solution in JMP will simplify our life significanlty and reduce human errors. It will also save us a lot of time that now gets invested in Python installations etc. 

Financial impact of this idea and why we need it ASAP (despite internal Python / Excel implementation):

Estimated at > 1M US$/month. Robust statistical analysis is an important enabler. Having this capability directly in JMP is very important. Hence this request.

Other background on JMP community:

There was also a robust discussion on JMP community discussion on this as below:

https://community.jmp.com/t5/Discussions/Generating-conditional-and-marginal-R-squared-for-mixed-mod...

1 Comment
SarahGilyard
Staff
Status changed to: Acknowledged

Thank you for posting this request. In newer versions of JMP, the marginal and conditional R^2 values get reported under the Fit Statistics output in Mixed Model, although they do not display on the plots. Please let us know in the comments if this is sufficient for your request. Thank you.