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Learning Resources

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Latest Discussions

  • Discrete Choice Experiment: Prohibited Combination

    Hi everyone,I would like to design my first DCE. I am going to use 6 attributes that differ in the levels from 2 to 4 levels. However, I have a limitation where there is an impossible combination that may appear; for example, the cheapest product would not be possible to have the best feature. Is there any way for me to select the prohibited combination? Or, is the D-optimal design will always cal...

    andikawp andikawp
    Discussions |
    Sep 6, 2023 7:11 AM
    838 views | 0 replies

  • Setting up a Nested and Crossed MSA Gauge R&R Analysis

    I have a Gauge R&R study that I have questions about analyzing in JMP Pro 17.1.  First I’ll give the full background and then I’ll ask the questions.  (This is a long post) Background and Setup: In this study we have 2 operators and 3 machines (called BuildMachine), each of which produces 3 parts for a total of 9 parts.  Each operator measures all 9 parts three times. This means (I believe) that t...

    LEP LEP
    Discussions |
    Sep 5, 2023 2:58 PM
    7371 views | 9 replies

  • What do I do if I forgot to add main effect terms during DoE design?

    While designing a study to optimize process parameters, I added the interaction terms but not the main effects terms by mistake. Now that I've already collected the data required. What shold I do to get the most out of the data? Thanks!

    zj2000 zj2000
    Discussions |
    Sep 4, 2023 1:44 PM
    4435 views | 9 replies

  • Regression model does not provide correct quadratic equation

    Hello:I created a 2^3 full factorial experiment with 4 center points. X1, X2 and X3  are the factors and Y is the response. X2 and X3 are just any random factor, but X1 is the radius and Y is the area. So mathematically relation is Y=3.14*X1^2Below are the three scenarios where I computed regression equation based on just X1, both X1 and X1^2 and only X1^2. When I only consider X1^2, it is no more...

    VarunK VarunK
    Discussions |
    Sep 3, 2023 8:27 PM
    3492 views | 4 replies

  • Centre point vs factor level

    Hello:I am studying a DOE textbook and in one example there are two factors with two levels.A 2^2 experiment is set-up with 5 center points. There are no replicates or blocks. In total 9 runs My question is what is the benefit of CP, why not a two factor experiment with three levels, In total 8 runs Q1) Which scenario is more beneficial?Q2) Are there any cases where we should use CP and where we s...

    VarunK VarunK
    Discussions |
    Sep 1, 2023 5:32 AM
    2243 views | 5 replies

Latest Discussions

  • Discrete Choice Experiment: Prohibited Combination

    Hi everyone,I would like to design my first DCE. I am going to use 6 attributes that differ in the levels from 2 to 4 levels. However, I have a limitation where there is an impossible combination that may appear; for example, the cheapest product would not be possible to have the best feature. Is there any way for me to select the prohibited combination? Or, is the D-optimal design will always cal...

    andikawp andikawp
    Discussions |
    Sep 6, 2023 7:11 AM
    838 views | 0 replies

  • I am getting contradicting errors in my repeating mixed model under the effects table

    The issue is that I need my site in the effects table and if I did remove it, I get another error saying I'm missing the site effect.   

    Purpleopple Purpleopple
    Discussions |
    Aug 31, 2023 10:25 AM
    944 views | 1 replies

  • Two step DoE

    Hello Commuinty,
    perhaps it is a question already addressed, but could not find an answer yet. Specifically, it is about setting up a two-stage DoE. In my case a coating of two or more layers. Each layer has its own factors and there are therefore after each coating other responses that can be evaluated. Is there a clever way to create a DoE with JMP.And even more specifically, do I have a way to a...

    MLanger MLanger
    Discussions |
    Aug 30, 2023 8:56 AM
    1859 views | 3 replies

  • Some basic questions about my first DOE response surface design

    Hi everyone, I'm quite new to JMP Pro and the questions I'm about to ask are pretty basic.  I have two independent variables and a dependent variable (response), all three measured using a seven-point Likert scale. The goal is to analyze the within-individual perceptual (in)congruence between the independent variables and their influence on the response. My sample size is 260. Question 1: When I c...

    MIS MIS
    Discussions |
    Aug 22, 2023 2:16 PM
    2910 views | 5 replies

  • Degrees of freedom for t-value in DOE confidence interval calculations

    Hello. I am new here. I have a 2^3 full factorial screening DOE with 3 centre-points. I am fitting a second-degree interactions model, so there are 4 df left for the Total Error; 2 for lack of fit, 2 for pure error. When I display the Parameter Estimates, the Std Error using the "Default" Error Specification is correct and the 95% CIs use a t-value of 2.776 based on 4 df. When I switch to "Pure Er...

    BurnStats BurnStats
    Discussions |
    Aug 21, 2023 9:53 PM
    1241 views | 1 replies

Latest Discussions

  • Discrete Choice Experiment: Prohibited Combination

    Hi everyone,I would like to design my first DCE. I am going to use 6 attributes that differ in the levels from 2 to 4 levels. However, I have a limitation where there is an impossible combination that may appear; for example, the cheapest product would not be possible to have the best feature. Is there any way for me to select the prohibited combination? Or, is the D-optimal design will always cal...

    andikawp andikawp
    Discussions |
    Sep 6, 2023 7:11 AM
    838 views | 0 replies

  • 49 factor dsd design

    When designing dsd with 49 factors and 4 additional runs. Why do I get 109 runs and not 105 runs?

    ConditionalRam9 ConditionalRam9
    Discussions |
    Jul 22, 2023 7:29 AM
    670 views | 0 replies

  • Main Menu("command") - return value?

    If I open a file via open("filename"), the command returns a reference to the data table which can be used as dt = open("filename");If I trigger open viadt = Main Menu("open")it doesn't return a reference to the data table. In general, is there a way, when triggering a command from the Main Menu, to get the return value?e.g. a reference to a data table for a user defined file loader - or an error ...

    hogi hogi
    Discussions |
    Jun 7, 2023 8:42 AM
    746 views | 0 replies

  • how to read the output from Johnson-Neyman plot and floodlight analyisis?

    hi,I have got an add-in from https://community.jmp.com/t5/JMPer-Cable/Who-what-why-and-how-Tools-for-modeling-and-visualizing/bc-p/624293#M842 to implement floodlight analysis through Johnson-Neyman Plot.  according to the table of the example from the linkage above; what does "_c" mean? such as "meaning_c" and overwhelming_c"? focus on my own study, I got a moderator called "SE" which is a contin...

    Rongyu_Kuang Rongyu_Kuang
    Discussions |
    Apr 23, 2023 8:56 AM
    1383 views | 0 replies

  • Response Screening Effect Size - logistic

    Related to the previous post How to get "Effect size" column with Response Screening functionality , I am also wondering how effect size in the response screening platform is calculated, specifically for categorical Y vs continuous X.  JMP help shows:  "When Y is categorical and X is continuous, the effect size is the square root of the average ChiSquare value for the whole model test."  Running b...

    wgardnerQS wgardnerQS
    Discussions |
    Dec 14, 2022 12:54 PM
    1092 views | 0 replies
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