Distribution Analyses

Variables

To create a distribution analysis, choose Analyze:Distribution ( Y ). If you have already selected one or more variables, a distribution analysis for each selected variable appears. If you have not selected any variables, a variables dialog appears.

Figure 38.2: Distribution Variables Dialog

Select at least one Y variable for each distribution analysis. You can select one or more Group variables if you have grouped data. This creates one distribution analysis for each group. You can select a Label variable to label observations in the plots. You can select a Freq variable. If you select a Freq variable, each observation is assumed to represent n observations, where n is the value of the Freq variable. You can select a Weight variable to specify relative weights for each observation in the analysis. The details of weighted analyses are explained in the individual sections of this chapter.

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