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  • JMP Security Notice: CVE-2026-109618 and CVE-2026-109619

    JMP promptly initiated a review of its products, services, and relevant infrastructure for exposure to CVE-2026-109618 and CVE-2026-109619.

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Solve problems, and share tips and tricks with other JMP users.
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sasuser11466
sasuser11466
Level I

Zero Inflated Poisson in JMP

Mar 9, 2013 04:04 PM (5376 views)

Hello Everyone:

I am working with a few advanced undergraduate students and using JMP more frequently (now that we have a university wide license). Is anyone able to tell me if JMP allows me to run a Zero Inflated Poisson model in the 'Fit Model' window (Personality = Generalized Linear Model;  Distribution = Poisson; Link Function = Log) or if this can only be done in the script window? The data is suitable for this distribution but having a problem in JMP 9.0.2

Thank You!!

Gabriel

(Dept. of Sociology

University of Texas at San Antonio)

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2 REPLIES 2
ron_horne
Super User (Alumni) ron_horne
Super User (Alumni)

Re: Zero Inflated Poisson in JMP

Mar 14, 2013 11:15 AM (4733 views)  |  Posted in reply to message from sasuser11466 03-09-2013

hi Gabriel,

using the Fit Model with the specifications you mentioned is what i did in the past to run the model and it did run with my data using JMP 9 at the time. another thing i use is the overdispersion tests and intervals and the Firth bias-adjusted estimates. i actually run the models twice with and without them to inspect robustness.

From my experience, if something in the Fit Model platform is not working properly, i try fitting each X separately to the Y to determine which of the variables is the source of the problem.

ron

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sasuser11466
sasuser11466
Level I

Re: Zero Inflated Poisson in JMP

Mar 14, 2013 03:39 PM (4733 views)  |  Posted in reply to message from ron_horne 03-14-2013

Thanks so much Ron! I will give that overdispersion feature a try as well.

many Thanks! Gabriel

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