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2 results for “from:Ben Ammar”

fGARCH: T-GARCH and the adj. R-squared
Ben Ammar · Jan 12, 2013 · r-help

Hi everyone I'm running a T-GARCH model (i.e. a GJR-GARCH model) using the package fGARCH. A sample code for my model looks like this: Modell1=garchFit(formula=~1+aparch(1,1), data="T-Bill", delta=2...

How to extract residuals from multiple regressions from a loop
Ben Ammar · Oct 28, 2013 · r-help

Dear all I've got the following problem, I want to extract the residuals from regression loops. The problem here is that some columns include NA's at the beginning and end (i.e. each time series of stocks starts...

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