Clustering Separate Variables (GPL)

This example demonstrates how you can cluster separate variables.

Figure 1. GPL for clustering separate variables

* Open sample file Employee Data.sav.
GGRAPH
  /GRAPHDATASET NAME="graphdataset" VARIABLES=jobcat salary salbegin
  /GRAPHSPEC SOURCE=INLINE.
BEGIN GPL
  SOURCE: s=userSource(id("graphdataset"))
  DATA: jobcat = col(source(s), name("jobcat"), unit.category())
  DATA: salary = col(source(s), name("salary"))
  DATA: salbegin = col(source(s), name("salbegin"))
  COORD: rect(cluster(3))
  SCALE: linear(dim(2), include(0.0))
  GUIDE: axis(dim(2), label("Mean"))
  GUIDE: axis(dim(3), label("Job Category"))
  ELEMENT: interval(position(summary.mean("Beginning Salary"*salbegin*jobcat)), 
                    color("Beginning Salary"))
  ELEMENT: interval(position(summary.mean("Current Salary"*salary*jobcat)),
                    color("Current Salary"))
END GPL.