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For many regression procedures with dependent data, you want to resample whole blocks of data together. This currently cannot be accomplished via stratified sampling, which samples one case per strata.
We have a number of users for SPSS. We use the concurrent license that works with the Sentinel License Manager (SLM). For us, it would be interesting to have the possibility to remotely disconnect a user and withdraw the license.
I want to do model testing while always drawing the same training data with the help of a random variable (e.g. command NAIVEBAYES). It is important to always produce the same numbers. In SPSS I can do it with SET but there are pitfalls the user m...
At present, the chisquare test in the Crostabs routine is the way to calculate p-values for a comparison of two proportions. Since this task is so common, it would be nice to have a more straightforward way than via the crosstabs routine. A routin...
In many epidemiologic longitudinal and rehabilitation studies, the outcome variable has floor or ceiling effects such as the Barthel Index and Stroke Impact Scale (SIS). Although not correct these variables are treated as normally distributed con...
SPSS does not have the functionality to retrieve and/or save data and output to the cloud. This seems way out of date and should be easily correctable. The measurable benefits would be less complicated logistics in loading and saving files and t...
ROC Analysis should detect and correct dependent variable direction
When running a ROC curve analysis, some of the input curves appear below the null hypothesis. This can be corrected by inverting the values in the independent variable (that is, they were coded opposite the dependent). However, other statistics ...
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