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我想用點繪製一個三維圖(我想我已經管理過了)並且擬合了一組這些點的數學函數。我的變量V1可以假設兩個值2或4.所以,如果V1等於2,則函數繪圖,否則如果V1等於4,則繪製其他函數。當我嘗試做此消息出現:在SPSS中繪製三維函數和點
ERRO德GPL:代數(ITER(5000,1000000,10)DOIF(V1 = 2)) 期待(或+或*或/:ITER(5000, 1000000,10)DOIF(V1 = 2)
我的代碼:
> GGRAPH /GRAPHDATASET NAME="graphdataset" VARIABLES=V2 pacpop V1
> MISSING=LISTWISE REPORTMISSING=NO /GRAPHSPEC SOURCE=INLINE. BEGIN
> GPL SOURCE: s=userSource(id("graphdataset"))
>DATA:V2=col(source(s), name("V2"))
>DATA: pacpop=col(source(s),name("pacpop"))
>DATA: V1=col(source(s), name("V1"),unit.category())
>COORD: rect(dim(1,2,3))
>GUIDE: axis(dim(1),label("Sexo"))
> GUIDE: axis(dim(2), label("Rendimento Mensal"))
> GUIDE: axis(dim(3), label("pacpop"))
>SCALE: log(dim(2), base(10))
>SCALE: log(dim(3), base(10))
>SCALE: cat(dim(1), include("2", "4"))
> ELEMENT: point(position(V1*V2*pacpop))
>DATA: p = iter(0,5000,1)
> DATA: q = iter(5000,1000000,10)
>DATA: x = iter(0,5000,1)
>DATA: z =iter(5000,1000000,10)
>DO IF (V1=2).
>TRANS: y =eval(100*exp((-x/1654.97))
> TRANS: w = eval((10**8.865)/(z**2.186))
> ELEMENT: line(position(V1*x*y),color.interior(color."ff0000"))
> ELEMENT: line(position(V1*z*w), color.interior(color."ff0000"))
> ELSE.
> TRANS: r = eval(100*exp((-p/1415.97))
>TRANS: s = eval((10**7.065)/(q**2.216))
>ELEMENT:line(position(V1*p*r),color.interior(color."ff0000"))
ELEMENT:line(position(V1*q*s), color.interior(color."ff0000"))
>END IF.
> END GPL.
您不能在GGRAPH語句中混用DO IF。 –