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Learning Resources

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Latest Discussions

  • How to calculate the difference between two identical tables ?

    Hi, I have two identical tables of test results from two different times. Is there a simple function that can calculate the difference for each case?  

    SamplingHamster SamplingHamster
    Discussions |
    May 27, 2025 4:26 AM
    1623 views | 7 replies

  • Non-normal distributions in the Process Capability and Process Screening Platforms

    Hi all, I am writing a script to aid my team in analyzing process capabilities for many properties across a variety of products. It seems like the Process Capability and Process Screening platforms are the ideal way to do that, but I'm struggling to get those platforms to handle non-normal distributions. When I assign Distribution or Process Capability Distribution properties to a column, the plat...

    AndyWills AndyWills
    Discussions |
    May 23, 2025 5:24 AM
    1399 views | 2 replies

  • Combined GR&R

    Hi everyone,   I'm conducting a GaugeR&R Analysis using a crossed 6-sigma process, Where my setup is 5 units, 3 employees and 3 stations.  How can I tell what are the variance components when I calculate a combined setup where I aim for a unified single result? (using JMP 18) Thank you in advance

    YonatanK YonatanK
    Discussions |
    May 22, 2025 8:18 PM
    1213 views | 3 replies

  • How do I Calculate and Interpret Stability Index?

    I am using the Process Capability platform and see in several places a "Stability Index" is calculated.  But I cannot find in the help documentation a definition for how Stability Index is calculated.  Can anyone help?

    The_Annie The_Annie
    Discussions |
    May 22, 2025 12:43 PM
    11531 views | 8 replies

  • “Out of spec rate” calculation

    Dear JMP community, How is the “Out of spec rate” calculated in JMP (see image below)? The tool can be found in the evaluation of Ppk and Cpk values.   In JMP there are no formulas provided for the “Out of spec rate” calculation. Is this based on an assumed normal distribution and the spec limits?
     
    Thank you in advance.
    Best regards
    Maximilian

    MFellermann MFellermann
    Discussions |
    May 21, 2025 8:24 AM
    1435 views | 5 replies

Latest Discussions

  • Non-normal distributions in the Process Capability and Process Screening Platforms

    Hi all, I am writing a script to aid my team in analyzing process capabilities for many properties across a variety of products. It seems like the Process Capability and Process Screening platforms are the ideal way to do that, but I'm struggling to get those platforms to handle non-normal distributions. When I assign Distribution or Process Capability Distribution properties to a column, the plat...

    AndyWills AndyWills
    Discussions |
    May 23, 2025 5:24 AM
    1399 views | 2 replies

  • Combined GR&R

    Hi everyone,   I'm conducting a GaugeR&R Analysis using a crossed 6-sigma process, Where my setup is 5 units, 3 employees and 3 stations.  How can I tell what are the variance components when I calculate a combined setup where I aim for a unified single result? (using JMP 18) Thank you in advance

    YonatanK YonatanK
    Discussions |
    May 22, 2025 8:18 PM
    1213 views | 3 replies

  • Confidence Intervals For Cpk

    I was trying to replicate the confidence intervals for Cpk in JMP.  I found this page which details the formula: https://www.jmp.com/support/help/en/17.0/#page/jmp/statistical-details-for-capability-analysis.shtml This page says the equation is: So this is the example I am trying to match,    since it is 95%, the lower confidence interval should be (32 is the sample sample size):    This equals, 6...

    lisamaley lisamaley
    Discussions |
    May 15, 2025 9:50 PM
    3832 views | 5 replies

  • How do I test for unequal variances in mixed model?

    I want to test if the measurement (intermediate) precision from two different labs are different. My data usually consist of the same sample being measured k times per day, across n days in each of the two labs. I analyze the data using Fit Model with lab as fixed effect, and Day as random effect. I would like to compare the total variation (within and between days) between the two labs - somethin...

    peter_t peter_t
    Discussions |
    May 6, 2025 7:25 PM
    1241 views | 3 replies

  • Column Properties (Multiple Spec Limits per column)

    Hi, 
    let's say I have a column (Resistance) that is tested at different temperatures. I have three testing temp (Ex:25,35 and 45). Is it possible to have different spec limits for Resistance column based on the temp condition? Thanks.

    RA899 RA899
    Discussions |
    May 6, 2025 1:12 AM
    988 views | 3 replies

Latest Discussions

  • Pressure Test Method Results have a significant effect on my sample size and capability, how to avoid?

    Hello dear JMP community I will first explain the test method (no need to comment on whether it is right or wrong because this is what I got). The purpose is to detect a leakage.

    Measurement processPart is mounted to a pressure stationPressure station rotate a vacuum pump x times to create a vacuum (atmospheric pressure is approx. 1000mbar)Pressure p1 is sampled at time t1After 15 seconds p2 is sam...

    qLienceStats qLienceStats
    Discussions |
    Dec 5, 2024 11:58 PM
    547 views | 0 replies

  • JMP Methode zur Reliabilitätsanalyse einer Scorecard

    Hallo zusammen, ich bin unsicher bezüglich der Methode zur Reliabilitätsanalyse einer Scorecard.Ich möchte eine Scorecard bzgl. Ihrer Reliabilität analysieren. 5 verschiedene Anfragen werden dabei über eine Scorecard von jeweils 4 verschiedenen Personen bewertet. Jede der 5 Anfragen erhält dadurch einen Gesamtscore. Ich möchte gerne untersuchen, wie "gut" unsere Scorecard zur Bewertung unserer Anf...

    ConstructFish94 ConstructFish94
    Discussions |
    Jul 22, 2024 6:38 AM
    777 views | 0 replies

  • Questions about Calculating Confidence Intervals in "Agreement within Raters" - Attributive Analyses

    Hello everyone, I am currently analyzing "Agreement within Raters" and would like to better understand how these confidence intervals are calculated. My main questions are:What steps or methods are used to calculate confidence intervals in "Agreement within Raters" of Attributive analyses?Which statistical distribution is typically used for these calculations? Could anyone recommend some literatur...

    DToniato DToniato
    Discussions |
    Jun 26, 2024 6:03 AM
    819 views | 0 replies

  • Cox PH Survival plot with CI?

    We're trying to run a survival analysis with Cox proportional hazards for time to reinjure knees after surgery for those who return to sport before/after 9 months with covariate of age and level of sports. I'd like to be able to generate the survival plots with 95CI's along with the analyses.
    I've watched the recent tutorial but it didn't address these points.
    Can anyone point me to resources to do ...

    RodWhiteley RodWhiteley
    Discussions |
    Jun 7, 2024 5:05 AM
    708 views | 0 replies

  • SPC Chart from Process Capability Settings

    Hi, when using the process capability functionality and then opening the SPC charts from a selected process, my preferences for SPC are not applied to this generated chart (no shading, level labeling, etc.) is there any way to save preferences for these charts? (JMP17.2)

    JLofman JLofman
    Discussions |
    Mar 20, 2024 9:52 AM
    742 views | 0 replies
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