I tried to run the syntax below using version 18 to generate Forest Plot. Unfortunately, it does not work. A warning appeared on the screen as follows:
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Warnings |
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An inline graph specification was expected but not found. |
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Execution of this command stops. |
I appreciate any help.
Eins
* Sample dataset (processed data )*.
DATA LIST LIST/ trial(F4) year(A5) study(A10) measure cilow ciup percwi(4 F8.3).
BEGIN DATA
1 "1989" "Hodnett " .502 .262 .962 4.940
2 "1991" "Kennell " .352 .216 .575 8.694
3 "1992" "Bréart-Fr" .785 .483 1.276 8.878
4 "1992" "Bréart-Bg" .811 .653 1.007 44.598
5 "1997" "Gagnon " .867 .573 1.311 12.237
6 "1998" "Langer " .280 .203 .384 20.654
7 " " "Total " .594 .514 .687 100.000
END DATA.
*/ Assuming you have SPSS 14:
SORT CASES BY trial(D).
STRING YearAndStudy(A30).
COMPUTE YearAndStudy=CONCAT(RTRIM(year)," ",study).
COMPUTE RefLine=1.
GGRAPH
/GRAPHDATASET NAME="graphdataset" VARIABLES=YearAndStudy ciup cilow measure percwi RefLine
MISSING=LISTWISE REPORTMISSING=NO
/GRAPHSPEC SOURCE=INLINE.
* If the effect you are measuring is OR or RR, then this syntax can
do the task *.
BEGIN GPL
SOURCE: s=userSource(id("graphdataset"))
DATA: YearAndStudy=col(source(s), name("YearAndStudy"), unit.category())
DATA: ciup=col(source(s), name("ciup"))
DATA: cilow=col(source(s), name("cilow"))
DATA: measure=col(source(s), name("measure"))
DATA: percwi=col(source(s), name("percwi"))
DATA: RefLine=col(source(s), name("RefLine"))
COORD: transpose(rect(dim(1,2), transpose()))
GUIDE: axis(dim(2), label(" Favours treatment Favours Control"))
SCALE: cat(dim(1))
SCALE: log(dim(2))
ELEMENT: interval(position(region.spread.range(YearAndStudy*(cilow+ciup))),
shape(shape.line), color(color.black))
ELEMENT: point(position(YearAndStudy*measure), shape(shape.square),
size(percwi), color.interior(color.black))
ELEMENT: line(position(YearAndStudy*RefLine), shape(shape.line))
END GPL.