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The CLUSTER Procedure

ODS Graphics

To produce graphics from PROC CLUSTER, you must enable ODS Graphics by specifying the ods graphics on statement before running PROC CLUSTER. See Chapter 21, Statistical Graphics Using ODS, for more information.

PROC CLUSTER can produce line plots of the cubic clustering criterion, pseudo , and pseudo statistics. To plot a statistic, you must ask for it to be computed via one or more of the CCC, PSEUDO, or PLOT options.

You can reference every graph produced through ODS Graphics with a name. The names of the graphs that PROC CLUSTER generates are listed in Table 29.5, along with the required statements and options.

Table 29.5 ODS Graphics Produced by PROC CLUSTER

ODS Graph Name

Plot Description

Statement & Option

CubicClusCritPlot

Cubic clustering criterion for the number of clusters

PROC CLUSTER PLOTS=CCC

PseudoFPlot

Pseudo criterion for the number of clusters

PROC CLUSTER PLOTS=PSF

PseudoTSqPlot

Pseudo criterion for the number of clusters

PROC CLUSTER PLOTS=PST2

CccAndPsTSqPlot

Cubic clustering criterion and pseudo

PROC CLUSTER PLOTS=(CCC PST2)

CccAndPsfPlot

Cubic clustering criterion and pseudo

PROC CLUSTER PLOTS=(CCC PSF)

CccPsfAndPsTSqPlot

Cubic clustering criterion, pseudo , and pseudo

PROC CLUSTER PLOTS=ALL


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