Formula used to calculate upper CI
Hi all, Does anyone know what is the formula used to calculate the upper CI for the standard deviation in the distribution platform > confidence interval?
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view all learning resourcesHi all, Does anyone know what is the formula used to calculate the upper CI for the standard deviation in the distribution platform > confidence interval?
Hi, I'm working with measurement data that should follow a specific distribution.My goal is to create a Folded Normal and a Rayleigh to compare along with other distributions already programmed by default in JMP in order to see if my data follows the expected one. Here I fit all distributions with my data and look if the normal distribution fits the best according to the AICc. I would like to do t...
Hello All,
I had a statistical interpretation question. I had run a few MSA studies and was interested in explaining or interpreting the results of the Test-Retest plot.
The definition that I find on the JMP website is "Test-Retest ErrorIndicates measurement variation or repeatability (also known as within error or pure error)."
In most cases, my data points are within the control limits and when I ...
Dears,a "conceptual" question...If I have a characteristic identified by two factors and the specification limits are defined by an area rather than an interval... is it possible to calculate the CPK?See the diagram below (invented): blue dots = the specification, orange dots = production.
Is it possible to calculate a CPK?Thanks in advance for the feedback.
I need to load and apply the limit table. However, when the USL and LSL values are the same, the limits are not applied and appear as follows. How can I ensure that the limits are applied in this case?
Hi all, Does anyone know what is the formula used to calculate the upper CI for the standard deviation in the distribution platform > confidence interval?
Hi, I'm working with measurement data that should follow a specific distribution.My goal is to create a Folded Normal and a Rayleigh to compare along with other distributions already programmed by default in JMP in order to see if my data follows the expected one. Here I fit all distributions with my data and look if the normal distribution fits the best according to the AICc. I would like to do t...
Hello All,
I had a statistical interpretation question. I had run a few MSA studies and was interested in explaining or interpreting the results of the Test-Retest plot.
The definition that I find on the JMP website is "Test-Retest ErrorIndicates measurement variation or repeatability (also known as within error or pure error)."
In most cases, my data points are within the control limits and when I ...
Dears,a "conceptual" question...If I have a characteristic identified by two factors and the specification limits are defined by an area rather than an interval... is it possible to calculate the CPK?See the diagram below (invented): blue dots = the specification, orange dots = production.
Is it possible to calculate a CPK?Thanks in advance for the feedback.
I need to load and apply the limit table. However, when the USL and LSL values are the same, the limits are not applied and appear as follows. How can I ensure that the limits are applied in this case?
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...
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...
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...
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 ...
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)
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