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2011 Nov 27
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Need Help with my Code for complex GARCH (GJR)
...le.com/file/n4112396/GJR_Garch.png W stands for the Day of the Week Dummies. r stands for returns of stock market indices. I stands for the GJR-term. I need some help with three problems: 1.) implementation of the GJR-term in the variance equation 2.) compute robust covariance matrix (Bollerslev/Wooldbridge,1992) for robust standard errors 3.) extract the residuals amd volatility of my estimation First of all my GARCH-Code: garch2<-function(par,x,Di,Mi,Do,Fr,y,z,d){ x<<-ts(x) y<<-ts(y) z<<-ts(z) Di <<-ts(Di) Mi<<-ts(Mi) Do<<-ts(Do) F...