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Comparing many means in JMP
I'm trying to compare several sets of experiment data, by comparing means. I read there are several different tests such as Each Pair, Student’s t and All Pairs, Tukey HSD, which give different ...
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0answers
148 views
Stepwise Regression Models in JMP
In JMP, I am building a regression model by using "Analyze"->"Fit Model" and choosing "Stepwise" for the personality. Once I click "Run" in the "Model Specifications" window, I get the "Fit Stepwise" ...
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1answer
574 views
Confidence interval for values for a fitted line
I'm using JMP to analyze some sample data to make predictions about the population. My sample is from a destructive QC test, so I obviously want to minimize my sample. I have a response (my Y) and a ...
2
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1answer
112 views
How to compute confidence interval for number to treat in a logistic regression?
I have built a multivariate regression model where $\mathbf x$ is the variable vector. Now I am asked to calculate the confidence interval for the number to treat (NNT) at $\mathbf x=\mathbf {x_0}$ ...
1
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1answer
671 views
Tukey-Kramer test
Can anybody point me out a good reference for the Tukey-Kramer test?
Secondly, suppose that we want to compare the mean of the group called "male" and the group called "female" (each group is ...
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1answer
2k views
How to set up and estimate a multinomial logit model in R?
I ran a multinomial logit model in JMP and got back results which included the AIC as well chi-squared p-values for each parameter estimate. The model has one categorical outcome and 7 categorical ...
2
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1answer
215 views
How should I design a database for multi-year data analysis with JMP?
I'm building a database of economic and political indicators provided by the World Bank and other similar sources. I would like to run uni- and multivariate analysis of these indicators over the past ...
2
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0answers
362 views
Discrepancy between stepwise and nominal logistic regression results in JMP
I have carried out a stepwise logistic regression in JMP. Then (using the proper button in the program window), I have chosen to build a nominal logistic regression model using (only) the variables ...
1
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1answer
256 views
Summary and frequency tables in JMP
Does anyone know how to create a nice looking summary table in JMP for several variables? I use Tables>Summary and the table I get has one row that includes for example mean(var1) mean(var2) ...
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1answer
2k views
Relation between logistic regression coefficient and odds ratio in JMP
From the output of a logistic regression in JMP, I read about two binary variables:
Var1 estimate -0.1007384
Var2 estimate 0.21528927
and then
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