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I am trying to estimate an effect on return of one commodity on another using a garch(3.2) model, however I am not able to estimate an Garch model using the timeseries package provided as an add on to Mathematica. Does anyone know how to compute this...
Could you post the code after the fix? 
I have looked on several forums(stack exchange etc.) but somehow I am not able to understand the concept of UpValues(^:=). I do understand DownValues and how they work. Could someone please explain in the clearest way possible how it works and add an...