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dp30
dp30
Level IV

Using PRESS criteria to build multilinear models

Jul 20, 2010 04:56 AM (4007 views)
Hello,
When using the Stepwise platform, JMP helps you to make the model with the best R² / R²adj.
I would like to get the model with the best PRESS criteria (Predicted Error Sum of Squares). How would it be possible to do that?
I know you can get the PRESS information once the model is built, but I would like to be sure I am building the model with the best PRESS as possible.
Thank you for your help.
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2 REPLIES 2

Re: Using PRESS criteria to build multilinear models

Jul 20, 2010 06:35 PM (3487 views)  |  Posted in reply to message from dp30 07-20-2010
Since it's not available in stepwise I guess you are going to have to just build multiple models and compare the PRESS statistic. Maybe use stepwise first to get a short-list of potential models then compare the models in Fit Model. It would seem like a nice enhancement request to have it included in stepwise.
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dp30
dp30
Level IV

Re: Using PRESS criteria to build multilinear models

Jul 22, 2010 02:44 AM (3487 views)  |  Posted in reply to message from 07-20-2010
Thank you for your response. I can't understand why neither JMP nor most popular statistical softwares can do this...
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