User Guide

463
Two S t e p C l u s t e
rAnalysis
for the test of equality of means for a continuous variable and the expected
frequency w
ith the overall data set for a categorical variable.
 Confidence
level.
This option allows you to set the confidence level for the test of
equality of a variable’s distribution within a cluster versus the variable’s overall
distribution. Specify a number less than 100 and greater than or equal to 50. The
value of the
confidence level is shown as a vertical line in the variable importance
plots, if the plots are created by variable or if the significance measure is plotted.
 Omit insignificant variables. Variablesthatarenotsignificantatthespecified
confidence level are not displayed in the variable importance plots.
TwoStep Cl
uster Analysis Output
Figure 31-4
TwoStep Cluster Analysis Output dialog box
Statistics. This group provides options for displaying tables of the clustering results.
The de
scriptive statistics and cluster frequencies are produced for the final cluster
model, while the information criterion table displays results for a range of cluster
solutions.