Add-ons
Add-on modules provide additional capabilities. The available modules are:
- SPSS Programmability Extension (added in version 14). Allows Python, R, and .NET programming control of SPSS.
- SPSS Data Preparation (added in version 14). Allows programming of logical checks and reporting of suspicious values.
- SPSS Regression - Logistic regression, ordinal regression, multinomial logistic regression, and mixed models.
- SPSS Advanced Models - Multivariate GLM and repeated measures ANOVA (removed from base system in version 14).
- SPSS Decision Trees. Creates classification and decision trees for identifying groups and predicting behaviour.
- SPSS Custom Tables. Allows user-defined control of output for reports.
- SPSS Exact Tests. Allows statistical testing on small samples.
- SPSS Categories
- SPSS Forecasting
- SPSS Conjoint
- SPSS Missing Values. Simple regression-based imputation.
- SPSS Complex Samples (added in Version 12). Adjusts for stratification and clustering and other sample selection biases.
- AMOS (Analysis of Moment Structures) - add-on which allows modeling of structural equation and covariance structures, path analysis, and has the more basic capabilities such as linear regression analysis, ANOVA and ANCOVA
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