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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).
    Regular business hours will resume at 9:00 a.m. EST on Friday, Jan. 2, 2026.
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Learning Resources

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Latest Discussions

  • Script for combining data table scripts with data from multiple files and saving into on JSL file

    Hey everyone! Okay after trying for way to long I am stuck on how to get this code to work.  I am trying to make a script that will allow a user to select from a list of open files, and for each file selected the code will copy the data table scripts and then paste them all into a single JSL file that I can then run at a later time and will open all the data tables again.  Basically like a way to ...

    shampton82 shampton82
    Discussions |
    Sep 7, 2025 10:30 AM
    1489 views | 5 replies

  • Missing values after PCA

    What are the missing values (black dots) after you perform a PCA?  

    Beginner_9 Beginner_9
    Discussions |
    Sep 6, 2025 6:07 AM
    1001 views | 3 replies

  • Nelson / Westgard Rules available on P charts, but not. Laney P' charts

    Hi -   I have noticed that in Control Chart Builder, JMP 18.2.1, if I create a P chart, JMP provides options for warnings for a number of different Nelson & Westgard rules.  However, if I switch to Laney P', only "Test Beyond Limits" is an option.  I'm curious if someone can explain the reasons why ... software bug?  Good statistical reason those tests aren't applicable for a Laney P' chart?  Some...

    DHHaas DHHaas
    Discussions |
    Sep 5, 2025 8:59 AM
    788 views | 1 replies

  • Are power caldualtions in mixture experiments reliable?

    In a ternary 12-run mixture experiment using a special Sheffé model I get only 5% power of the compnents; this means 95% chance that component effect can't be observed? Are power calculations in mixture experiments reliable taking into account high collinearity among factors?

    frankderuyck frankderuyck
    Discussions |
    Sep 5, 2025 6:52 AM
    1587 views | 4 replies

  • XGboost training, validation and testing

    Hello, I have a question about handling test datasets in XGBoost. Here's my current approach: I'm using 10-fold cross-validation for model training and validationI keep a separate test dataset completely excluded during this training phase (hide and exclude in the table before launching the model)After training, I manually generate predictions on this test dataset (save predicted to table and I un...

    Sburel Sburel
    Discussions |
    Sep 5, 2025 6:29 AM
    1695 views | 2 replies

Latest Discussions

  • Nelson / Westgard Rules available on P charts, but not. Laney P' charts

    Hi -   I have noticed that in Control Chart Builder, JMP 18.2.1, if I create a P chart, JMP provides options for warnings for a number of different Nelson & Westgard rules.  However, if I switch to Laney P', only "Test Beyond Limits" is an option.  I'm curious if someone can explain the reasons why ... software bug?  Good statistical reason those tests aren't applicable for a Laney P' chart?  Some...

    DHHaas DHHaas
    Discussions |
    Sep 5, 2025 8:59 AM
    788 views | 1 replies

  • XGboost training, validation and testing

    Hello, I have a question about handling test datasets in XGBoost. Here's my current approach: I'm using 10-fold cross-validation for model training and validationI keep a separate test dataset completely excluded during this training phase (hide and exclude in the table before launching the model)After training, I manually generate predictions on this test dataset (save predicted to table and I un...

    Sburel Sburel
    Discussions |
    Sep 5, 2025 6:29 AM
    1695 views | 2 replies

  • Simulate vs Bootstrap methods in JMP: which to use when and why

    Hi All,   I'm hoping someone from JMP might be able to provide an explanation as the the differences/similarities of the Simulate vs Bootstrap approaches when evaluating model estimates. (JMP Pro)   Some links to previous Discovery Summit presentations from Gotwalt and others can be found here, here, and here. One clear difference between the methods is that Simulate requires you to swap out a col...

    SDF1 SDF1
    Discussions |
    Sep 5, 2025 6:28 AM
    7587 views | 11 replies

  • Modification de valeurs numériques

    Bonjour, j'ai exporté une table excel qui fini en table de données avec des colonne sous forme caractère. Or dans ces colonnes les valeurs sont numérique entre 0 et 5000. Mon problème est que sous forme caractère les valeurs supérieures à 999 sont écrites comme ça (1 000). Et quand je modifie la colonne en numérique toutes les valeurs supérieures à 999 disparaissent. Comment puis-je faire pour que...

    GregP GregP
    Discussions |
    Sep 5, 2025 4:53 AM
    1431 views | 4 replies

  • Error bands in Graph Builder - sometimes wide, sometimes thin?

    Any idea why some of the error bands are wide, and some are thin lines? It might be all wide, or all thin - I can't understand what it depends on and how to control it. Any ideas?        

    miguello miguello
    Discussions |
    Sep 5, 2025 4:15 AM
    1052 views | 1 replies

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