Figure 1. GPL for stacked histogram
* Open sample file Employee Data.sav.
GGRAPH
/GRAPHDATASET NAME="graphdataset" VARIABLES=salary gender
/GRAPHSPEC SOURCE=INLINE.
BEGIN GPL
SOURCE: s=userSource(id("graphdataset"))
DATA: salary=col(source(s), name("salary"))
DATA: gender=col(source(s), name("gender"), unit.category())
GUIDE: axis(dim(2), label("Count"))
GUIDE: axis(dim(1), label("Salary"))
ELEMENT: interval.stack(position(summary.count(bin.rect(salary))),
color(gender))
END GPL.
Figure 2. Stacked histogram