JMP User Community

Latest Discussions

Why there is a constant component in the PCA formula

I have been surprised to see a constant component in the saved formula when performing PCA analysis. For example, saving the 1st 2 Principal Components on the following standardized data set (centered and scaled data), Standardized (Centered + Scaled) DataSLengthSWidthPLengthPWidth0.270.19-0.36-0.44-0.30-1.14-0.36-0.44-0.88-0.61-0.94-0.44-1.16-0.870.22-0.44-0.020.46-0.36-0.441.131.261.381.48-1.16...
ILoveJMP

Discussions |
Nov 28, 2016 1:24 PM

6130 views | 3 replies
Removing values from a column

Hi All, I would like to remove values from a column. Normally, I would use a range check column property to do this, but with this particular column, it is also dependendent on another column's value. Is there an easy way to do this? I tried the code below, but unfortunately it makes the entire column blank except for the first row. I thought this might work because the "." represents missing v...
natalie_

Discussions |
Nov 25, 2016 1:16 PM

4562 views | 3 replies
Help Interpreting KSL test results in Goodness of Fit

nHi All,I'm looking at some goodness of fit results. While the Shapiro-Wilkes results have some (sparse) documentation, the Komologorov-Smirnov-Lilliefors test seems to have a different form and no documentation. A quick search shows nothing on the forum either; and google is quite quiet on the subject.My results are:For a Normal Distribution:D Prob > D0.3752777 < 0.0100*I do...
garethw

Discussions |
Nov 24, 2016 7:06 AM

21089 views | 7 replies
JSL - Adding borders to Tables in a Journal

Last question before the holiday... I am putting a bunch of tables in a Journal, as well as other things, and I am hoping to be able to add boarders to the table, i.e. something like a line between Row 1 and 2, a line surrounding the whole table, a line betwen Column's 1 and 2, 2 and 3, etc. How do I do this? Thank you in advance!
drblove

Discussions |
Nov 23, 2016 2:23 PM

7296 views | 5 replies
JSL - Inverse Probability Distribution

First off, thank you to everyone who is answer my myraid of questions... I am very greatful for your time. I am trying to calculate an inverse of a normal distribution, like: Z = Normal Inverse(p,mu,sigma); I can only really find: 1 - p = Normal Distribution(Z, mu, sigma); I know it must be available, but my googling skills are not helping me here... I am also assuming that other common distribut...
drblove

Discussions |
Nov 23, 2016 1:42 PM

11229 views | 2 replies

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Latest Discussions

Why there is a constant component in the PCA formula

I have been surprised to see a constant component in the saved formula when performing PCA analysis. For example, saving the 1st 2 Principal Components on the following standardized data set (centered and scaled data), Standardized (Centered + Scaled) DataSLengthSWidthPLengthPWidth0.270.19-0.36-0.44-0.30-1.14-0.36-0.44-0.88-0.61-0.94-0.44-1.16-0.870.22-0.44-0.020.46-0.36-0.441.131.261.381.48-1.16...
ILoveJMP

Discussions |
Nov 28, 2016 1:24 PM

6130 views | 3 replies
Removing values from a column

Hi All, I would like to remove values from a column. Normally, I would use a range check column property to do this, but with this particular column, it is also dependendent on another column's value. Is there an easy way to do this? I tried the code below, but unfortunately it makes the entire column blank except for the first row. I thought this might work because the "." represents missing v...
natalie_

Discussions |
Nov 25, 2016 1:16 PM

4562 views | 3 replies
JSL - Adding borders to Tables in a Journal

Last question before the holiday... I am putting a bunch of tables in a Journal, as well as other things, and I am hoping to be able to add boarders to the table, i.e. something like a line between Row 1 and 2, a line surrounding the whole table, a line betwen Column's 1 and 2, 2 and 3, etc. How do I do this? Thank you in advance!
drblove

Discussions |
Nov 23, 2016 2:23 PM

7296 views | 5 replies
cubic spline with survival data

Hi guys, i have been looking for guidance with this for sometime but nothing. I am trying to find the relationship between age and survival in a cohort. There is different follow-ups for patients, so I have to use survival analysis, with cox proportional hazard models. However, the relationship between age and survival is not linear. I want to use restricted cubic splines with this dataset. Is th...
saa2025

Discussions |
Nov 23, 2016 11:30 AM

8653 views | 2 replies
Partition Methods in jump

Hello I am working with JMP PRO 2013. I am using partition method( bootstrap forest) for prediction. I also created a validation column which can split my data into training data, test data and validation data. My question is how can i test my data on training data. For instance in R , you split your data into training and test data and then you predict on the same training data. It would be gre...
Micky

Discussions |
Nov 22, 2016 5:38 PM

5843 views | 1 replies

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Latest Discussions

Odds ratios for multiway tables

On twitter earlier today, someone asked if the Cochran-Mantel-Haenszel (CMH) odds ratio (OR) test was available in JMP when the stratification variable is not the X in Fit Y by X. Anytime I need to go from two variables to more than two variables, the first place I look is Fit Model. The beauty of fit model is that not only can I use as many variables as I want, but I can consider interactions bet...
DonMcCormack

Discussions |
Aug 10, 2016 3:35 PM

5038 views | 0 replies
How to find ETA squared effect size for MANOVA?

Hello, Does anyone know how to calculate the eta squared value from a manova analysis in JMP? I know that the E and H matrices tab shows the sum of squares for each parameter, but which values do I use to calculate SStotal and SSeffect? In my model, I have 2 control variables (age and gender) and then a two way factorial. If only one of these variables (in addition to both control variables) is si...
nsalmano_stanfo

Discussions |
Aug 8, 2016 7:04 AM

4126 views | 0 replies
Is there an easy way to get the FWHM (full width half max) of a curve using JMP?

Dear JMP community,Is there an easy way to get the FWHM (full width half max) of a spectral curve using JMP? Finding the minima and maxima are fairly straightforward, but then calculating the FWHM seems to be much more laborious in JMP, especially if the data is sparse and we would like to interpolate to get more accurate intersections between the peak and the FWHM value. In my case, the peak is o...
mcjorge

Discussions |
Jul 22, 2016 8:13 AM

5525 views | 0 replies
Co-Kriging with JMP and Matlab

Hi!I was wondering if anyone already tried to work with Co-Kriging, using JMP together with Matlab. As JMP only fits Ordinary Kriging Models (Gaussian Process with Gaussian Correlation Function), I would like to send data (generated with Space Filling JMP Platform) from JMP to Matlab, fit the models there (Matlab), and bring the MODELS back to JMP, to use inside Profile Platform. Do you have any e...
samuelbbaco0

Discussions |
Dec 4, 2015 12:32 PM

3798 views | 0 replies
Interpreting canonical structure and scores in discriminant analysis

I'm trying to interpret the relative contributions of my variables in a discriminant function analysis of chemical data for three groups of rocks. In a stepwise, linear, common covariance discriminant function analysis I'm able to generate non-overlapping 95% confidence ellipses for my three groups with no incorrectly assigned data points using 6 variables. My understanding is that the scoring c...
amzipkin

Discussions |
Oct 20, 2015 3:25 PM

3812 views | 0 replies