# Questions tagged [jmp]

JMP is a statistical software package. Use this tag for any on-topic question that (a) involves JMP either as a critical part of the question or expected answer, & (b) is not just about how to use JMP .

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### Full factorial design involving two discrete variables with replicates as blocking factor; needed ANOVA details

I found this question (link) and I am intersted to know the answer from the experts. I have run a full factorial design involving two discrete variables, A at 4 levels, and B at 5 levels. I have ...
7 views

### Repeated measures with no response to stimulus sometimes - which models to use? JMP Pro [closed]

Design: Salamanders from New York and Georgia, both reared from eggs in 17 C and 25 C (4 groups total). High speed camera captured escape behavior. I calculated velocity, acceleration, how much they ...
184 views

### Is it correct that JMP has Mann-Whitney U for comparing more than 2 unpaired groups (instead of Kruskal-Wallis)?

To the best of my knowledge, the Mann-Whitney U test (also called Wilcoxon-Mann-Whitney) is for comparing only two unpaired groups, while the Kruskal-Wallis test is used for comparing two or more ...
56 views

### Statistical test for binned proportion data in JMP / MATLAB

I have been trying to determine the proper statistical test for comparing binned proportional data between groups. My data set is individual subjects (4-5 per group) with 76-165 cells per individual. ...
40 views

### Confused about type of analysis between categorical variable (degree of severity of accident) and continuous variable (number of car passengers)

Good afternoon, As indicated in the title, for a project I am interested in finding any (if at all) relation between the number of passengers in a car and the severity of an accident. I am using JMP ...
63 views

### What and how is the “Compare Densities” plot created in JMP under a one-way ANOVA?

I recently performed a simple one-way ANOVA for a homework problem For a second part of the problem we are asked to construct a plot to graphically compare the means at the factor levels, ...
38 views

### What statistical test should I use to compare before and after drug treatment in a group of 8 subjects?

I have a group of 8 subjects. For each subject I measure their heart rate 30,20, and 10 min before and after they take a drug. I then average the heart rate measurements in each subject to get one ...
63 views

### How to calculate betas of logistic regression if effect sizes are known?

I want to simulate responses using built in JMP Simulate Responses feature for learning purpose. I use binomial distribution and I assume that I know effect sizes of factors beforehand. So I know ...
68 views

### How do I find a specific point on a best fit line when doing linear regression analysis?

I have a scatter plot that I have drawn a line of best fit through in JMP. I want to know what equation to use to calculate the predicted y at specific points across the line. For example, if my x ...
105 views

### PCA: Dimension Reduction

I ran PCA Output is: . I am trying to increase the R-Square Value. In doing so, I want to only consider important variable. Till now I have cleaned the data by excluding the outliers and also by ...
34 views

### Testing the independence of the experimental series from a certain parameter

I have the following question. I have a number of experiments for different materials (see the picture in the attachment). The results of these experiments seem to be independent from material ...
2k views

### Creating a composite measure

I'm having trouble creating a composite measure. I have 5 different non-normal variables (all different scales). I'd like to create one score that takes into account these 5 variables. I can manually ...
107 views

### Fitting of the parameters of non-linear regression

I can fit the data with non-linear function, namely Mechanistic Growth curve from the JMP library. See the example of the fit in the next figure. The fit equation is BA = a(1 - b e-c *PA). BA ...
491 views

### Comparing Two Cohorts, Pre and Post scores

I'm working on a research project, and I could use a little assistance in picking the correct test. There are two cohorts that took a pre-test. Subsequently, the intervention group was given a ...
250 views

### Statistical Analysis with repeated measures categorical data

For my Master thesis I looked at behavioral responses of fish by quantifying their position as a reaction to a certain treatment. I have 20 Fish that I measured on 7 consecutive days. Every day, each ...
711 views

### statistical analysis for a small sample size

I would like to ask for help in choosing the correct statistical test for analyzing experimental data on small samples (4 repeats) THE EXPERIMENT: the experiment simulates development of a deposit on ...
841 views

### How to use REML to estimate correlation with missing data in R?

In JMP Multivariate Methods, REML is used to estimate correlation when there are missing data values (pg. 28). However, there is no documentation describing how this is done. I'm trying to compare ...
39 views

### Which tests should I run with one control group and 2 treatment groups?

I'm really bad at stats and am running an experiment looking at growth rate or individuals over the period of 28 days. I collected data on Day 0, 7, 14, 21, and 28 so I have 5 data points. I would ...
90 views

### Method in jmp to analyze occurrence of an event based on unique users in a category

I have a student project in which I would like to analyze application usage data specifically between three user groups. I have log data gathered including unique User IDs, actions and the identifier ...
144 views

### Histogram in JMP 11 [closed]

While plotting histogram in JMP 11, the option to set the bin width is not available. I also tried doing it with the axis settings, but the X-axis setting is disabled (X-axis has the variable values ...
134 views

### density estimate for continuous support with continuous frequency

I have data with continuous frequency and a continuous support which I'd like to analyze and plot using a kernel density estimate in R. I can create the basic plot in JMP fairly easily using the ...
144 views

### What are the right values for the prior mean and prior variance matrix in choice design?

I am doing my first choice experiment with JMP & the tutorial I found at http://blogs.sas.com/content/jmp/2009/01/15/optimal-design-of-the-choice-experiment/ Right now I am not sure if I ...
164 views

### Confidence interval from summaries in JMP

If i only have mean, std dev. and number of observations is it then possible to generate af 95% confidence interval or a Chi squared test in JMP using only these summaries as input?
1k views

### how is the logistic regression scatter plot created

I have a newbie question about logistic regression fit plots. I'm fitting a very simple binary output based on a simple continuous input ...
3k views

### How to calculate confidence intervals in a GLM using the profile likelihood?

I've been trying to better understand how JMP does regression and associated models. I can compute the correct parameter estimates for a GLM, by using iteratively re weighted least squares. But now I'...
2k views

### R and JMP produce different regression results due to sum of squares calculation and other factors

I recently started transitioning from JMP to R and to get started, I've been trying to reproduce some of my old JMP results in R. However, when I run a multiple regression with one continuous variable ...
2k views

### What is “the shortest half of the data”?

Here is a histogram (realized with JMP) displaying two types of box plot called outlier box plot and quantile box plot. Right below, there are a bunch of explanations of the meaning of the different ...
63 views

### create graphic with multiple data-columns in different appearance in jmp

in jmp 11 on a mac I have data I want to plot nicely in a 2d-diagram. For the datapoints I made a regression to get a function for a smooth curve, now I want to plot the datapoints and the function in ...
1k views

### Is the goodness of fit test in JMP the Hosmer-Lemeshow goodness of fit test?

I'm working with an organization that is using JMP in their analysis, and I can't tell from the description in JMP's help files if the test for goodness of fit in their logistic regression is the ...
1k views

### Probability of data point being from distribution in normal mixtures

Using JMP, I was able to fit a distribution to a set of data, using the normal-2 mixtures model. It returns location (or mean), dispersion (standard deviation) and probability for each of the two ...
573 views

### Interval censoring

I ran an interval censor survival curve with R, JMP and SAS. They both gave me identical graphs, but the tables differed a bit. This is the table JMP gave me. ...
316 views

### Finding association between gender and favorite movie genre

I have a random sample of the following data on JMP. How do I find if there is an association between gender and favorite movie genre? I've been looking through different formulas and can't find ...
37 views

### Is it possible to have an F-test with a $p<.05$ even if there is an $R^2<.1$ for a least squares analysis in JMP?

I've been working with JMP, and I have found that often I get a significant p value but a relatively small r. Is this supposed to happen?
10k views

### Linear Regression: Ordinal or dummy independent variables?

I am a beginner who needs some help reading some results from linear regressions. I am looking for factors that influence the location of civil conflict events. My dependent variable is the distance ...
3k views

### Two-sample comparison of proportions, sample size estimation: R vs Stata

Two-sample comparison of proportions, sample size estimation: R vs Stata I got different results for sample sizes, as follows: In R ...
1k views

### Two-way ANOVA on not completely normal residuals

I have 2 factors, one (Page type) of 2 levels and the other (Intensity) of 4 levels. I did a 2x4 Full Factorial Design with 10 replications, so I did 80 experiments. Then I wanted to do a two-way ...
343 views

### Does JMP aggregate data in graph-building?

I am using JMP to find a relationship between drought index values and yearly corn yields for a 30 year period. I have drought data for seven different indeces and each index ranges from -6 (severe ...
87 views

### Proper methods for this case of repeated measures?

I am measuring hormone changes in animals. I have three groups: Groups A, B, and C. In each group, blood was collected from the SAME individuals for hormone assay at 0, 15, 30, and 60 min. This was ...
2k views

### 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 ...
1k 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" ...
4k 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 ...
234 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 $\mathbf x=\mathbf {x_0}$ ...
4k 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 ...
28k 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 ...
765 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 ...
879 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 ...