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同学,请问你做出来了吗?同样求助。
我之前写的程序如下,但结果不收敛,不知道什么原因,能帮忙看一下吗
open data C:\Users\gorden\Desktop\mmm.xls
data(format=xls,org=columns) 1 736 rs rf
set rs = rs
set rf = rf
*VAR(1) model for the mean, BEKK for the variance
system(model=var1)
variables rs rf
lags 1
det constant
end(system)
garch(p=1,q=1,model=var1,distrib=t,mv=bekk,pmethod=bhhh,piters=10,robust,hmatrices=hh,rvectors=rr) / rs rf
set resid1 %regstart() %regend() = rr(t)(1)
set resid2 %regstart() %regend() = rr(t)(2)
set variance1 %regstart() %regend() = hh(t)(1,1)
set variance2 %regstart() %regend() =hh(t)(2,2)
set cov12 %regstart() %regend() = hh(t)(1,2)
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