STCC-GARCH model question

[cristinacain]

Hello,

I am estimating STCC-GARCH model in Eviews. Firstly, I estimate the M-GARCH, then the correlation and then the STCC-GARCG correlation based on a transition variable. I have the following code: rho12= c(1) + c(2)*(1-@logit(c(3)*(st-c(4))))*rho12(-1) + c(5)*@logit(c(3)*(st-c(4))))*rho12(-1)

In the end, the code does not work. I would like to ask if there are any available codes for estimating the transition (logistic) function and the STCC-GARCH for Eviews.

Thank you in advance,

Cristina