bang4kimo 发表于 2012-3-2 03:47
open data 12345.xlsx
data(format=xlsx,org=columns) 1 1990 EX TINDEX ELEC FIN PLAS MACH GLASS Chem ...
*data(format=xlsx,org=columns) 1 1990 EX TINDEX ELEC FIN PLAS MACH GLASS Chemicals
data(format=xls,org=columns) 1 1989 EX TINDEX ELEC FIN PLAS MACH GLASS Chemicals
system(model=var1)
variables EX ELEC
lags 1
det constant
end(system)
garch(p=1,q=1,model=var1,mv=cc,variances=varma,pmethod=simplex,piters=10,hmatrices=hh,rvectors=rr)
set stdEX = rr(t)(1)/sqrt(hh(t)(1,1))
set stdELEC = rr(t)(2)/sqrt(hh(t)(2,2))
@mvqstat(lags=12)
# stdEX
@mvqstat(lags=12)
# stdELEC
@mvqstat(lags=12)
# stdEX stdELEC
set stdEXsq = stdEX**2
set stdELECsq = stdELEC**2
@mvqstat(lags=12)
# stdEXsq
@mvqstat(lags=12)
# stdELECsq
@mvqstat(lags=12)
# stdEXsq stdELECsq
set rho12 = hh(t)(1,2)/sqrt(hh(t)(1,1)*hh(t)(2,2))
print /rho12
*get h11 h12 h22
set h11=hh(t)(1,1)
set h12=hh(t)(1,2)
set h22=hh(t)(2,2)
set rou12=h12/sqrt(h11*h22)
print/rou12
print/h11 h12 h22
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hmatrices=hh,rvectors=rr 這兩個各是什麼意思??
hmatrices : covariance matrix
rvectors : vector of residuals
這裡有(t)的意思是??
at time T
page ug_302 HMATRICES and RVECTORS options
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