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 .

Filter by
Sorted by
Tagged with
0 votes
1 answer
53 views

How to Include a 'No Shift' Scenario in a Temperature Shift DOE

I'm currently working on a Design of Experiments (DOE) for a process that involves temperature shifts at three different times. My challenge is incorporating a 'No Shift' scenario as one of the ...
Megazord's user avatar
2 votes
2 answers
66 views

R vs. JMP results for glms with interactions

I am new to R and am trying to build general linear models with multiple categorical and continuous predictors using the lm() function. My models also have some interactions of the different ...
Gabby O's user avatar
  • 21
0 votes
0 answers
35 views

Can't find family using glmer in R

update The question is that I have some datas, includes: region/ animal id/ year/ gender/ environment's noise value/ environment's illumination value/ cort1 and I would like to know whether the data ...
cja's user avatar
  • 1
0 votes
0 answers
33 views

2-way ANOVA interaction between a factor with itself, does not make sense?

I have done a DOE that I am in the process of analyze with a two-way ANOVA. The DOE has been generated by the JMP software and I specified that I want calculate the main effects and the 2nd ...
indigun's user avatar
1 vote
1 answer
76 views

The results from 2 programs are conflicting on convergence issues in my multivariate logistic regression, how do I deal with this?

Currently I am analyzing a dataset using logistic regression, I ran it in R using the glm function to run a multivariate logistic regression with 12 predictors. Some of these are quite collinear as ...
Jobbe Goossens's user avatar
0 votes
0 answers
107 views

How to interpret GLM model results from JMP?

I have used normal+identity but not sure how to interpret the results for quality of model.
Vakru's user avatar
  • 1
0 votes
0 answers
248 views

How to interpret the results of Generalised linear model(GLM), I have used Normal distribution with identity link function

I am not sure about the quality of the model. I have searched but could not find a reliable answer. Below is the model results from JMP
Vakru's user avatar
  • 1
0 votes
1 answer
43 views

how can I compare if a drug affects a biological process differently than vehicle treatment

I have an experiment where I am trying to see if a drug has a biological effect that is significantly different from vehicle. Activity is measured before and after treatment. For treatment, I have ...
Robert C Spencer's user avatar
0 votes
0 answers
167 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. ...
Kyle Jenks's user avatar
0 votes
1 answer
130 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 ...
S. Adelman's user avatar
3 votes
1 answer
721 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, ...
KDecker's user avatar
  • 211
1 vote
1 answer
1k 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 ...
ELim's user avatar
  • 11
1 vote
1 answer
2k 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 ...
Tye's user avatar
  • 11
0 votes
0 answers
1k views

How to calculate partial covariance matrix for multiple variables?

I have a sample dataset of six variables each with 20 data points. Each data point is a measurement on one of the 20 subjects at one of the six points in time. I generated a simple MANOVA report in ...
pj2452's user avatar
  • 155
1 vote
0 answers
133 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 ...
Shank's user avatar
  • 141
0 votes
0 answers
426 views

Basic question: difference between standard least squares mixed model vs generalized linear mixed model

I'm using jmp for my analysis, and I have data from what is ultimately a mixed model. The problem I have is that JMP doesn't have the ability to run GLMM. You can, however, run a mixed model with a ...
Nathan Haag's user avatar
1 vote
1 answer
39 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 ...
Vitalii Vorkov's user avatar
2 votes
1 answer
4k 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 ...
Brandon's user avatar
  • 21
1 vote
0 answers
137 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 ...
Vitalii Vorkov's user avatar
0 votes
1 answer
768 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 ...
BretzelPretzel's user avatar
1 vote
0 answers
330 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 ...
user avatar
1 vote
0 answers
814 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 ...
jacek's user avatar
  • 11
5 votes
1 answer
2k 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 ...
ken's user avatar
  • 213
0 votes
1 answer
60 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 ...
Candace's user avatar
1 vote
1 answer
114 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 ...
Grinner's user avatar
  • 113
1 vote
1 answer
172 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 ...
algoProg's user avatar
  • 111
1 vote
0 answers
189 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 ...
wdkrnls's user avatar
  • 297
0 votes
1 answer
266 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 ...
HH.'s user avatar
  • 25
1 vote
1 answer
411 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?
Esben's user avatar
  • 113
2 votes
2 answers
3k 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 ...
Jonjilla's user avatar
  • 559
3 votes
2 answers
4k 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'...
NotAStatistician's user avatar
5 votes
2 answers
3k 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 ...
abclist19's user avatar
  • 101
4 votes
3 answers
3k 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 ...
Remi.b's user avatar
  • 5,102
1 vote
1 answer
181 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 ...
cad's user avatar
  • 113
5 votes
1 answer
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 ...
Zaralynda's user avatar
  • 245
6 votes
1 answer
2k 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 ...
cwyers's user avatar
  • 63
8 votes
1 answer
833 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. ...
user45442's user avatar
0 votes
1 answer
505 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 ...
Bryan's user avatar
  • 113
1 vote
1 answer
48 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?
Max Pine's user avatar
3 votes
1 answer
12k 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 ...
Damien's user avatar
  • 503
10 votes
1 answer
4k 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 ...
dwstu's user avatar
  • 539
1 vote
2 answers
2k 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 ...
HBv6's user avatar
  • 113
1 vote
1 answer
570 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 ...
Kelly's user avatar
  • 11
2 votes
1 answer
100 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 ...
Need stats help's user avatar
1 vote
2 answers
4k 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 ...
LWZ's user avatar
  • 111
2 votes
1 answer
2k 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" ...
cryptic_star's user avatar
  • 1,127
2 votes
2 answers
5k 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 ...
Aerik's user avatar
  • 229
3 votes
1 answer
262 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 $\mathbf x=\mathbf {x_0}$ ...
glassy's user avatar
  • 1,070
1 vote
1 answer
5k 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 ...
domenik's user avatar
  • 41
24 votes
3 answers
33k 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 ...
paul's user avatar
  • 1,392