I am unable to fit a TGarch model on a data. I am using a 3.5.1 R version . Please advise on the proper R code to use. see my input and error message
input
archmodel<-garchFit(~garch(variance.model=GroupData_1_$FBNH_lr(model="fGarch",garchorder=c(1,1), submodel= "TGarch"), mean.model= GroupData_1_$FBNH_lr(armaorder=c(0,0)),distribution.model= "std"),garchFit(model, data =GroupData_1_$FBNH_lr)
+ TGarch(archmodel)
error message
Error: unexpected symbol in:
"archmodel<-garchFit(~garch(variance.model=GroupData_1_$FBNH_lr(model="fGarch",garchorder=c(1,1), submodel= "TGarch"), mean.model= GroupData_1_$FBNH_lr(armaorder=c(0,0)),distribution.model= "st
TGarch"