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  • JMP will suspend normal business operations for our Winter Holiday beginning on Wednesday, Dec. 24, 2025, at 5:00 p.m. ET (2:00 p.m. ET for JMP Accounts Receivable).
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Learning Resources

Find courses, tutorials, and lots of other methods of learning JMP.

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Latest Discussions

  • improve R2 an

    hello all, I am struggling with the low R2 and R2 adjusted i am getting from the model generated by JMP. every reading has many replicates but the R2 is still low (0.17). i did Box-Cox transformation based on the suggested λ but still R2 very low. any help on how to improve the R2? and what does low R2 mean?? I am really stuck and cant trust my statistical results on which factor is significantly ...

    NourNashed NourNashed
    Discussions |
    Aug 18, 2025 4:09 AM
    558 views | 2 replies

  • Power Explorer for Two Independent Sample Equivalence

    Does anyone have a case study of the use of the Power Explorer for Two Independent Sample Equivalence?   Ideally, the case study would demonstrate it's use for scale-up from future pilot line trials to eventual full production.     I ask this because there doesn't seem to be an example and/or sample data file on this subject in the JMP Help.    

    SteveCz SteveCz
    Discussions |
    Aug 7, 2025 6:46 AM
    1042 views | 4 replies

  • Query regarding design using categorical factors

    JMP student edition 18
    I was trying a custom design with 2 categorical factors and 3 levels. All effects -main and interaction show non significant p value despite using the recommended 9 run by the software.

    Manisha Manisha
    Discussions |
    Aug 6, 2025 5:59 AM
    319 views | 1 replies

  • Control Chart with subgroups entering the project at different times

    We are created a process across 9 different divisions. All the Divisions did not start at the same time. As other Divisions learned of the initial cohort success, they joined the project. In aggregate, by December 2023 we were consistently achieving 93% success. We created a control chart using the Numerators and denominators of all the Divisions participating in each month. Therein lies the ...

    RatioMegalodon8 RatioMegalodon8
    Discussions |
    Aug 4, 2025 11:45 AM
    697 views | 4 replies

  • If you fit a block as a fixed effect in a saturated model, and its effect is not significant after you reduce it via stepwise regression, do you need to add it back to the model?

    This was posted to the JMP blog yesterday where Phil Kay describes reducing a saturated model with a block effect. He says the random block should be added as a fixed effect 1st in this specific case, then after you reduce the model via stepwise regression, you should re-fit the reduced model & add the block as a random effect. In his example the block was significant after he reduced the model. I...

    mjz5448 mjz5448
    Discussions |
    Jul 30, 2025 12:26 PM
    1504 views | 7 replies

Latest Discussions

  • Power Explorer for Two Independent Sample Equivalence

    Does anyone have a case study of the use of the Power Explorer for Two Independent Sample Equivalence?   Ideally, the case study would demonstrate it's use for scale-up from future pilot line trials to eventual full production.     I ask this because there doesn't seem to be an example and/or sample data file on this subject in the JMP Help.    

    SteveCz SteveCz
    Discussions |
    Aug 7, 2025 6:46 AM
    1042 views | 4 replies

  • Query regarding design using categorical factors

    JMP student edition 18
    I was trying a custom design with 2 categorical factors and 3 levels. All effects -main and interaction show non significant p value despite using the recommended 9 run by the software.

    Manisha Manisha
    Discussions |
    Aug 6, 2025 5:59 AM
    319 views | 1 replies

  • Encoding of categorical variables

    Hi everyone, I'm interested in an *easy* recoding of categorical variables in JMP. Depending on the variables I want to do this to be able to specify which levels should be compared to each other. If I include all levels in the model I want to get p-values for exactly the differences I want to see or I want to do a model selection and just include certain differences of levels. In these cases the ...

    Anja_W Anja_W
    Discussions |
    Jul 25, 2025 3:32 PM
    1991 views | 4 replies

  • Choose between Plackett-Burman and Custom Design when having disallowed combinations

    Hello, We want to run a screening DOE with 22 2-Levels factors, nearly all of them being categorical, and we wanted to use a Plackett-Burman with 24 runs in order to minimize the runs. But we have some combinations that are not possible to achieve, for example we will try a coating in either one or two layers and we want either to rinse or not between the two layers. But of course this rinsing mak...

    PredictingSet44 PredictingSet44
    Discussions |
    Jul 22, 2025 7:41 AM
    393 views | 2 replies

  • Can I add a factor to an existting DOE and/or change the values of any run in an existting DOE?

    Hi, I developed a DOE model with 3 factors (one categorical) for a specific time (7 days) containing 16 runs. Later I used the same DOE but now for samples (runs) with a loger time (28 days). Now, I have decided to add the time as a factor but I want to keep the runs that a I have (16 runs for 7 days, and 16 runs for 28 days); to improve the quality of the model I decided to add center points to t...

    aalberto aalberto
    Discussions |
    Jul 17, 2025 5:59 AM
    5036 views | 10 replies

Latest Discussions

  • Calculating Z‐value and Effect Size (r) for a Paired Wilcoxon Signed‐Rank Test

    We performed a paired Wilcoxon signed-rank test to compare pre- and post-intervention values. Is there a method or add-in available to calculate the r and Z values?

    Tos Tos
    Discussions |
    Jun 30, 2025 6:50 AM
    386 views | 0 replies

  • Remove Crosshair in Profiler

    Hello everyone, I am looking for a solution to remove the crosshair in the Prediction Profiler. Any kind of hack would be helpful, like e.g. changing the transparancy. 

    AnjaW AnjaW
    Discussions |
    Jun 18, 2025 5:15 AM
    457 views | 0 replies

  • Streamlining Data Workflows With JMP & MATLAB

    Integrating tools like JMP and MATLAB offers a streamlined approach to engineering analysis, making workflows more efficient and reducing the need for redundant script rewriting. By leveraging JMP’s powerful data analysis and visualization capabilities alongside MATLAB’s robust computational tools, engineers can seamlessly combine the strengths of both platforms. This integration allows for the ra...

    brycerjs8 brycerjs8
    Discussions |
    Feb 18, 2025 7:07 AM
    578 views | 0 replies

  • Sample size for Reliability Life Test

    I have used the interval explorer for parametric reliability life test planning for sample size calculation of accelerated life test. Please can someone confirm if the sample size returned is the total sample size or sample size per stress levels? Assuming I have 3 temperature levels, do I use 75 samples per temperature level or 25?

    EngrAkin EngrAkin
    Discussions |
    Dec 11, 2024 7:11 AM
    687 views | 0 replies

  • help to get R squared predicted

    Hello!I installed a script from a community response regarding the calculation of R²pred, as shown in the image below (I'm using JMP 18 pro): (link da resposta do @erich_gundlach https://community.jmp.com/t5/JMP-Add-Ins/Predicted-R-square-calculator/ta-p/39927)  In PRESS, R²pred didn't appear. (Press is low because I haven't reduced the model yet, don't worry =))  I really need to show these R²pre...

    ivanpicchi ivanpicchi
    Discussions |
    Dec 4, 2024 10:21 AM
    663 views | 0 replies
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