JMP User Community

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Chi Square test, correction for multiple comparisons

I have monthly prevalence data (n=30-120/month) for the presence of a parasite (2x12 contingency table) that shows a significant chi square. I'm interested in comparing specific months to see if there are differences. Using the filter feature in contingency analysis I can quickly get multiple comparisons. However that is without any correction factor applied to control error rates. I have seen...
fishguy

Discussions |
Dec 12, 2017 1:10 PM

7339 views | 4 replies
Color Map on Correlations creation

I have been trying to understand better the 'Color Map on Correlations' plot which is part of the DOE Design Evaluation but I haven' been able to find out too much about how it is made. The best I can figure out is that it is a scaled/transformed version of the variance-covariance matrix inv(X'*X). Could anyone point me to some literature or documentation on the subject?
orthogonal

Discussions |
Dec 12, 2017 9:27 AM

12442 views | 4 replies
Make a variable from and average of selected rows in a column to use later as a reference line.

Hello, I want your help with finding an average of selected row in a column and use it as a reference line in a graph.I have a data table: A12.5B13.4B17.5B12.8A11.1A19.4B13.8 I want to make a variable that is an average of all the “B” line values ((13.4+17.5+12.8+13.8)/4) in the example above.Then I am going to use it as a reference line in a Bivariate graph.
ileshem

Discussions |
Dec 12, 2017 4:27 AM

11338 views | 4 replies
Selecting the correct sample size

Hi All, Lets assume I have a measurement of 30 location on a particular table top. I would like to sample the measurement of these 30 locations using only 5 samples, is JMP able to assist me on determining which measurement location should i be selecting in order to get the closest representative of the overall 30 measurement location Irfan
albiruni81

Discussions |
Dec 12, 2017 12:55 AM

15168 views | 12 replies
Not sure how to input replicate measurements to model a DoE

Hello, I hope someone can help me with the question below. I have run a Custom Desing DoE with 3 factors (continuous variables) and 3 responses. The randomised desing calculated 16 runs. Because my data is a bit variable I have run this experiment 8 times.What is the best way to input and model all the data available? Should I concatenate 8 tables of the 16 run Custom design and then run the model...
nvi

Discussions |
Dec 11, 2017 7:09 AM

6646 views | 3 replies

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Latest Discussions

Chi Square test, correction for multiple comparisons

I have monthly prevalence data (n=30-120/month) for the presence of a parasite (2x12 contingency table) that shows a significant chi square. I'm interested in comparing specific months to see if there are differences. Using the filter feature in contingency analysis I can quickly get multiple comparisons. However that is without any correction factor applied to control error rates. I have seen...
fishguy

Discussions |
Dec 12, 2017 1:10 PM

7339 views | 4 replies
Selecting the correct sample size

Hi All, Lets assume I have a measurement of 30 location on a particular table top. I would like to sample the measurement of these 30 locations using only 5 samples, is JMP able to assist me on determining which measurement location should i be selecting in order to get the closest representative of the overall 30 measurement location Irfan
albiruni81

Discussions |
Dec 12, 2017 12:55 AM

15168 views | 12 replies
Setting "ignore errors" flag on a formula column

I have a formula column (confidence interval from the nonlinear platform) that sometimes generates an error during evaluation:This error can not be captured in a Try() block.My work around is to set the Suppress Eval flag and manually evaluate the formula one row at a time but I would prefer to be able to set the "Ignore Error" flag on the column to suppress repeated error messages that occur.I'v...
David_Burnham

Discussions |
Dec 9, 2017 10:35 AM

5836 views | 3 replies
JMP recovery files pop-up window CLOSE

Hi All, I am trying to run everything in the background and trying to have no windows open. By any chance is there a way to close the JMP recovery files window which pops up when I start running the files suggesting me to save anything that has not been saved properly with the previous run? Thanks.
vishwasanj

Discussions |
Dec 8, 2017 8:38 PM

3661 views | 1 replies
Image Classification

I'm interested in using JMP/JSL to do some classification on semiconductor wafer images. Ideally I would like to do this using training images in a machine learning type scenario. Where would one start, is JMP the right tool for this job?
thickey1

Discussions |
Dec 8, 2017 8:35 AM

9372 views | 4 replies

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Latest Discussions

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

Discussions |
Nov 15, 2017 2:32 PM

3917 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

Discussions |
Nov 10, 2017 6:02 AM

2802 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

Discussions |
Oct 23, 2017 8:07 AM

2903 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

Discussions |
Aug 22, 2017 1:18 PM

3513 views | 0 replies
JSL How do I wrap the title text of a OutlineBox?

Hi all, I often use the Set Title() message to overwrite the OutlineBox titles of charts, distributions, etc. My first issue is that the OutlineBox does not support the Set Wrap() message. Is there any replacement I could use? To work around the missing Set Wrap(), I started inserting newlines "\!n" in the tiitle text. After doing this, I have noticed a second issue: Whatever number of newlines I ...
AlexanderKrebs

Discussions |
Jun 13, 2017 5:38 AM

4567 views | 0 replies