JTPetter

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• Thanks for reporting this issue! Would you mind sharing the data file associated with this error so I can try to reproduce it and understand it better?

  in Quality Control - Variable chart for sub group Comment by JTPetter June 2
• Here is the other thread I'm referring to: https://forum.cogsci.nl/discussion/9820/help-jasp-issue-doe-please

  in HELP! JASP Issue DOE Comment by JTPetter May 9
• Hi, this looks like a bug to me and we are working on fixing it. I believe I had already replied to this in another thread. If you want to stay updated it would be best to post this on GitHub or keep an eye on the release notes of upcoming versions!

  in HELP! JASP Issue DOE Comment by JTPetter May 9
• Thanks for reporting, this looks like a bug to me. I will look into it.

  in HELP! JASP Issue DOE Please Comment by JTPetter April 18
• This is not currently available, but it is already on the list of requested features. In fact, it should be available in the upcoming version or the one after at the latest.

  in JASP Design of Experiment Response Optimizer Comment by JTPetter December 2024
• Hello, I've looked into this and I believe that it does not matter on which side of the reference value your limits are located. That is, if you have a reference value = 0, a LCL = -1 and an UCL = 1, your tolerance range equals 2. If you only have a…

  in Inquiry Regarding Type 1 Gauge Study Comment by JTPetter March 2024
• Hello Maddie, the X2 you reported for the SPSS output is not actually the X2 statistic, but the Box's M statistic. SPSS does not use a Chi-Square distribution but an F distribution to determine the significance of the Box's M statistic. So SPSS does…

  in Different Box's M results in JASP and SPSS Comment by JTPetter July 2023
• Hi Dayna, You can find more information about the CumSum chart here: https://sixsigmastudyguide.com/cumulative-sum-chart-cusum/. The JASP implementation is based on the QCC package, maybe their documentation also helps you: https://cran.r-project.or…

  in Time Weighted Cumulative Sum Chart (Quality Control Section). Comment by JTPetter May 2023
• Hi @Angers , there was a "analyze design" tab under the factorial design in versions previous to 0.17.0. This might have been able to handle your design, but it was not fully developed, so we removed it as we continued working on this. We …

  in How to use JASP for two-level factorial design in quality control module? Comment by JTPetter May 2023
• Hi there, I would like to investigate this issue further, would you mind sharing the data here? Best, Jonas (JASP-team)

  in RM ANOVA different results in JASP and R. Comment by JTPetter March 2023
• Hi Andy, To analyze this kind of data you need to set up the dataset in a different way. You can use the DOE module to create a design with possible combinations of the factor levels. You can then use JASP to save this design and create a dataset wi…

  in How to use JASP for two-level factorial design in quality control module? Comment by JTPetter September 2022
• Hi Gene, Glad to hear you could verify the results computed in JASP! You might be interested to hear that I have also verified the results from JASP using proprietary software packages (SPSS, SAS, Minitab) and R. You can find a blog post about the p…

  in Jasp, review of free to use statistical software Comment by JTPetter May 2022
• Hello Laura, we have looked into this and it could indeed be clearer in JASP. Currently, only the DF for the model are displayed which are N - predictors (it should not always be N - 1, however?). The DF for the various test statistics which are in …

  in Logistic regression in JASP: Calculation of df Comment by JTPetter July 2021