The form.line GUIDE only takes values and *. You could create a little
python program to pass the value of NationalNormingReading9 or you could
just add a line element to the GPL to draw the line such as
ELEMENT: line(position(AccessLevel*NationalNormingReading9))
-----Original Message-----
From: SPSSX(r) Discussion [mailto:
[hidden email]] On Behalf Of
Zuluaga, Juan
Sent: Tuesday, May 10, 2011 10:14 AM
To:
[hidden email]
Subject: how to pass arguments to a GGRAPH GPL procedure?
Hello SPSS people,
I'm trying a generate a bunch of graphs, and add a horizontal line to them,
at a height set by value of variable NationalNormingReading9, with the line
GUIDE: form.line(position(*,NationalNormingReading9), color(color.green)) in
the GPL code.
I've defined the value of NationalNormingReading9 before.
How do I pass that value to the GPL procedure?
If I do
GGRAPH
/GRAPHDATASET NAME="graphdataset" VARIABLES=Student AccessLevel
GainInReading
/GRAPHSPEC SOURCE=INLINE.
BEGIN GPL
SOURCE: s=userSource(id("graphdataset"))
DATA: AccessLevel=col(source(s), name("AccessLevel"),unit.category())
DATA: GainInReading=col(source(s), name("GainInReading"))
DATA: Student=col(source(s),name("Student"),unit.category())
GUIDE: axis(dim(1), label("Access Level"))
GUIDE: axis(dim(2), label("Gain in MAP Reading Scores"))
GUIDE: form.line(position(*,NationalNormingReading9), color(color.green))
SCALE: linear(dim(2))
ELEMENT:
schema(position(bin.quantile.letter(AccessLevel*GainInReading)),label(Studen
t))
END GPL.
I get an error message saying
GPL error: positionConstant(*,NationalNormingMath9)
Not a quoted string: NationalNormingMath9\n\GPL:\n
Source(id("graphdataset"))
I run SPSS v.17.
Thanks!
-j
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