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Sample size estimation for mixed model designs
Hello, I am somewhat new to the concept of mixed model analyses for repeated measures but I believe that they will be of great use to my projects. One thing that I am having trouble grapping with is how to go about estimating what type of sample size I should be aiming for. ANOVA and t-test sample size calculations are easy to follow but I don't even know where to start for mixed model repeated me...
bio_grad
4846 views | 1 replies -
.jsl scripts will lock files even while set to read and execute permissions only
I am having an issue where an add-in script which runs another script via the include(); function is locking the included script file while other users are running it. This renders me unable to update that script. I tried setting the permissions on the repository and the file as read and execute only but it still locks when other users access it.
nbullen
2103 views | 0 replies -
DOE Parameter estimate when Interaction of continuous factors are centered by default. How change it
Hi, The design is a Full Factorial(4-Factors) + 1 Center Point + 2 special combos-19 runs-1 Response-4 missingThe 4 factors are continuous (level +1= presence at the highest dose; 0= presence at half dose; -1=absence=dose 0).In a first stage, I expected to evaluate the importance of interactions and main factors to select the best components to make a product. This is not a mixture design as more ...
Benkh
6218 views | 1 replies -
Fit Definitive Screening - Runs are not foldover or centerpoint runs
Hi JMP/DOE-Experts! I am currently planning a DSD. I wanted to do some a priori power analysis based on simulated results. Now when I try to use the "Fit Definitive Screening" plattform JMP complains that some runs are not foldover or centeproint runs. This happens of course because I have to change the mid-values of some factors due to technical requiements (e.g.: pH is varied in between 1 and 1...
shoffmeister
16854 views | 9 replies -
Response Surface Design - Central Composite Design
Hi there,I am trying to build a Response surface Designs for 5 factors. I was thinking to use CCD-Faced but I have a doubt on the design to choose from the options. I introduce the number of factors and when I have to choose the design, there are two option for "Central Composite Design" with different number of Runs:1) Number of Runs: 28, Block size: -, Center Points: 2.2) Number of Runs: 44, Blo...
ajanda
21949 views | 10 replies
Latest Discussions
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Sample size estimation for mixed model designs
Hello, I am somewhat new to the concept of mixed model analyses for repeated measures but I believe that they will be of great use to my projects. One thing that I am having trouble grapping with is how to go about estimating what type of sample size I should be aiming for. ANOVA and t-test sample size calculations are easy to follow but I don't even know where to start for mixed model repeated me...
4846 views | 1 replies -
.jsl scripts will lock files even while set to read and execute permissions only
I am having an issue where an add-in script which runs another script via the include(); function is locking the included script file while other users are running it. This renders me unable to update that script. I tried setting the permissions on the repository and the file as read and execute only but it still locks when other users access it.
2103 views | 0 replies -
Multivariate-Imputation
When I perform data analysis, I use the imputate missing values in the multivariate plateform(https://www.jmp.com/support/help/13-2/Impute_Missing_Data.shtml). Where could I find the documentation on how this imputation method is done--such as formula, etc. I need to provide it in the paper I am writing. Thank you!
xiaoyaj0
5341 views | 1 replies -
Question on Repeated Measures with Multiple Continuous Variables
Hi everyone, I'm a new JMP user (and not at all a statistics expert!) with a question about repeated measures. I have a data set with 10 subjects, who were each measured between 4-6 times over several weeks, before and after exposure to a pathogen. At each measurement point, binding potential was calculated and a complete blood count was ALSO taken (there were also a couple of times when complete ...
willtss
8305 views | 7 replies -
Icons of the Graphic Markers
Hi,I'm writing a dashboard at the moment in which I'd like to offer the user a choice of the marker symbol that will be used in a chart that will be created from the user's various selections.I'd like to add an icon to each element in the list of options which shows what each symbol looks like, along the lines of the little demo script I've attached in which I've used a few standard icons in the l...
DMR
12338 views | 4 replies
Latest Discussions
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.jsl scripts will lock files even while set to read and execute permissions only
I am having an issue where an add-in script which runs another script via the include(); function is locking the included script file while other users are running it. This renders me unable to update that script. I tried setting the permissions on the repository and the file as read and execute only but it still locks when other users access it.
2103 views | 0 replies -
Sub-sampling data analysis in JMP
In Biology (Plant Sci. and Agriculture) usually we have sub-sampling data for replicates. It's very difficult to analyze these data in commonly use Stat S/W (SPSS/Minitab) because MSS(Error) is calculating wrongly. Without taking averages of samsamples, the easiest S/W for this is using JMP and I need some assistance for this. I've found very useful Youtube video about subsampling in JMP (CRD: S...
Kynda
3530 views | 0 replies -
Conceptual question about the profit matrix
This issue has been discussed previously, but I keep finding myself confused about how to use the profit matrix. My question is conceptual in nature, so let's just use some simple numbers. Suppose I have data on customer churn and I build a predictive model for churn (the particular technique does not matter for this question). My decision errors are not symmetric, however, so I want to modify ...
dale_lehman
2437 views | 0 replies -
Confirmation of Repeated Measures Analysis, when sphericity if voilated
Hi Everyone, I would like confirmation on the appropriate analysis to run on a repeated measures design.Experimental design:Independent variable: Nutrient treatment (Control, Low, Med, High),Dependent variable: basal diameter, 5 replicates (plants)Repeated measurements were taken at Weeks 0, 1, 4, 7, 10, & 12Split data-> Fit Model-> Y: basal 0, basal 1, 4, 7, 10, 12, Add: Nutrient treatmentPers...
uamiller
2545 views | 0 replies -
Cox Proportional Hazard - adjusting risk ratio with std dev
I'm working with someone who is using SAS and I'm trying to do the same analysis in JMP. When I questioned their hazard ratio they said it was adjusted by the standard deviation. They commented:In order to obtain results in units of 1 standard deviation – you simply get the standard deviation value for parameter of interest and introduce it in the PH regression statement, for example:proc phreg ...
Maureen
3166 views | 0 replies
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