如何用winrats做garch-bekk模型答:csvdata(format=free,org=obs) 1 748 R1 R2system(model=var1)variables R1 R2lags 1det constantend(system)garch(p=1,q=1,model=var1,mv=bekk,pmethod=simplex,piters=10,robust,hmatrices=hh,rvectors=rr) / R1 R2 set stdR1=rr(t)(1)/sqrt(hh(t)(1,...