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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.
• GRAPH: |  | Plot data.
• CORRELATIONS: |  | Correlation tables.
• CROSSTABS: |  | Crosstabulation tables.
• FACTOR: |  | Factor analysis and Principal Components analysis.
• GLM: |  | Univariate Linear Models.
• LOGISTIC REGRESSION: |  | Bivariate Logistic Regression.
• 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.