User Guide

464
Chapter 31

Descriptives by cluster. Displays two tables that describe the variables in each
cluster. In
one table, means and standard deviations are reported for continuous
variables by cluster. The other table reports frequencies of categorical variables
by cluster.
 Cluster frequencies. Displays a table that reports the number of observations
in each clus
ter.
 Informati
on criterion (A IC or BIC).
Displays a table containing the values of the AIC
or BIC, depending on the criterion chosen in the main dialog box, for different
numbers of clusters. This table is provided only when the number of clusters is
being dete
rmined automatically. If the number of clusters is fixed, this setting is
ignored, and the table is not provided.
Working Data File. This group allows you to save variables to the working data file.
 Create cluster memb ership va riable. This variable contains a cluster identification
number for each case. The name of this variable is tsc_n,wheren is a positive
integer i
ndicating the ordinal of the working data file save operation completed
by this procedure in a given session.
XML Files. The final cluster model and CF tree are two types of output files that can
be export
ed in XML format.
 Export f
inal model.
The final cluster model is exported to the specified file in
XML (PMML) format. SmartScore and the server version of SPSS (a separate
product) can use this model file to apply the model information to other data files
for scor
ing purposes.
 Export
CF tree.
This option allows you to save the current state of the cluster tree
and update it later using newer data.