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## 15 Statistics

This chapter documents the statistical procedures that pspp supports so far.

- DESCRIPTIVES: Descriptive statistics.
- FREQUENCIES: Frequency tables.
- EXAMINE: Testing data for normality.
- CORRELATIONS: Correlation tables.
- CROSSTABS: Crosstabulation tables.
- FACTOR: Factor analysis and Principal Components analysis
- MEANS: Average values and other statistics.
- NPAR TESTS: Nonparametric tests.
- T-TEST: Test hypotheses about means.
- ONEWAY: One way analysis of variance.
- QUICK CLUSTER: K-Means clustering.
- RANK: Compute rank scores.
- REGRESSION: Linear regression.
- RELIABILITY: Reliability analysis.
- ROC: Receiver Operating Characteristic.