Corrected item-total correlation
How do I calculate corrected item-total correlation in Jmp 12?
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Hello everyone, we want to save a data table to a database and later query the database (using MS SQL) to retrieve the table. Since we run into some problems transferring the timestamp to the database, we set up a workaround. First of all, the table in JMP has a "date" column named "SecondsSince1904", where the datetime is stored as elapsed seconds since the 1904 epoche (01.01.1904 00:00:00). This...
Hi,I have a JSL script that's calling an R routine. To run it, I'm setting an environment variable called R_HOME to the location into which R (currently version 3.2.2) has been installed. The syntax is:Set Environment Variable("R_HOME", "C:\whatever the path is on my laptop\R-3.2.2");Everything works; no problem. However, I need to deploy this script to a number of other users, each of whom cou...
I'm new to jump and I'm trying to figure out how to use descriptive statistics to compare three variables, any suggestions?
I intend to write a script that will match values from a column in data table 1, with the closest matched values from a column in data table 2. Is it possible to write JSL platform to allow inputs from two different data tables? If not, does anyone know of a good alternative approach?
How come there are no new training videos on JMP On demand website?
I am doing Regression analysis with 1 Y-axis parameter ( dependent variable) & 100s of X-axis parameters(independent variables) and want to see top correlations ( high R-value) at the top. I get all these charts and apply linear fit but by default, these are sorted alphabetically based on parameter name. Is there a way I can sort these charts in order of decreasing R-value?
Hi,I have a table with 400k+ rows and in my analysis I have created a summary table.I do a fit Y by X on the summary table and get what I expect. From the pull down I select "Save Residuals" and the new column is not created on the summary data table, but on the original data table. Is this the intended operation? The work around is to separately save the summary data table to break the linkage...
Hi, Here is an easy one. I have a group of rodent skulls. They are from several named groups which are also geographic regions. One group is classified as "unknown". I have metric data and used Discriminant Analysis and a plot of the Canonical 1 and 2 scores. And, using the values in the Discriminant Scores table to show predictions. I also have categorical data. Briefly, things like the numb...
Hello,How would I go about calculating between and within subgroup variability using jmp (similar to Minitab)? Note: Group sample sizes are different. I am looking to compare various brands of products tested across different vectors. For example, for each brand there is a given quantity of samples tested per vector. and I would like to compare across brands for that vector, specifically between/w...
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...
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...
A former classmate of mine from Graduate School has recently published a paper on Generalized Segmented Distributions. Utilizing this method, the distribution can approach any continuous density function of arbitrary form. The method is particularly effective in fitting data with sufficient observations that are skewed and/or multimodal. The paper can be found here:The General Segmented Distrib...
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