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SPSS Statistics

Showing 134

Block bootstrap

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.
over 5 years ago in SPSS Statistics 0 Not under consideration

Save partition variable in Neural Networks procedures

Problem: In some procedures (like Nearest Neighbor analysis) if cases are randomly assigned to the training and holdout samples on the Partitions tab, they can be saved as a new variable with the values of the partition (training or holdout) to wh...
over 3 years ago in SPSS Statistics 0 Not under consideration

Inpute Missing Data Values supports all function of [General Linear Model].

SPSS Statistics Missing Values option has [Inpute Missing Data Values] function. [Inpute Missing Data Values] supports many analysis such as One Way ANOVA. But it doesn't support [General Linear Model] function. My customer would like to add Mi...
almost 2 years ago in SPSS Statistics 0 Future consideration

Remotely disconnect

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.
almost 4 years ago in SPSS Statistics 0 Not under consideration

Setting Seeds

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...
about 2 years ago in SPSS Statistics 0 Future consideration

Inference for proportions

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...
about 2 years ago in SPSS Statistics 0 Future consideration

Longitudinal Tobit analysis

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...
about 2 years ago in SPSS Statistics 0 Future consideration

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 ...
over 4 years ago in SPSS Statistics 0 Not under consideration

cloud storage capability

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...
about 2 years ago in SPSS Statistics 0 Future consideration

Group Means

Ability to compute group means with calculation over array of cases in variable (similar to python's: df.groupby(['group']).mean()
over 4 years ago in SPSS Statistics 1 Not under consideration