大神帮我看看哪儿错了啊;
AGGREGATE.
/OUTFILE ='h:\DATA\Rwg.sav'.
/BREAK=编号.
/X11_sd=SD(X11)
/X12_sd=SD(X12)
/X13_sd=SD(X13)
/N_BREAK=N

GET FILE ='h:\DATA\Rwg.sav'.
COMPUTE VX11=X11_sd*X11_sd.
COMPUTE VX12=X12_sd*X12_sd.
COMPUTE  VX13=X13_sd*X13_sd.
EXECUTE.

COMPUTE SX1=MEAN(VX11,VX12,VX13).
EXECUTE.
COMPUTE SCALE=5.
COMPUTE dim_number=3.
EXECUTE.

COMPUTE EX=(SCALE*SCALE-1)/12.
EXECUTE.
COMPUTE RwgX1=dim_number*(1-SX1/EX)/(dim_number*(1-SX1/EX)+SX1/EX).