Launch the Distribution platform by selecting Analyze > Distribution.
Figure 2.4 The Distribution Launch Window
Assigns a frequency variable to this role. This is useful if your data are summarized. In this instance, you have one column for the Y values and another column for the frequency of occurrence of the Y values. The sum of this variable is included in the overall count appearing in the Summary Statistics report (represented by N). All other moment statistics (mean, standard deviation, and so on) are also affected by the Freq variable.
Produces a separate report for each level of the By variable. If more than one By variable is assigned, a separate report is produced for each possible combination of the levels of the By variables.