[R] Problem with Extracting Fitted Values from fGarch package

Good day everyone, I fitted a GARCH model to a time series and R estimated the model and provide me with the estimates. However, when I tried to extract the fitted values from the estimated model I got the following error message: "Error in .local(object, ...) : object "fit" not found"   I used

Re: [R] Problem with Dynamo-Package

ammad From: Jim Lemon Sent: Monday, April 6, 2009 5:31:44 AM Subject: Re: [R] Problem with Dynamo-Package Mohammad Sabr wrote: > Good day, > > I am facing a problem when I am installing the dynamo-package and loading it. > After I installed the packag

[R] Problem with Dynamo-Package

Good day, I am facing a problem when I am installing the dynamo-package and loading it. After I installed the package, I received the following warning message: "In file.create(f.tg) : cannot create file 'C:\PROGRA~2\R\R-28~1.1/doc/html/packages.html', reason 'Permission denied'" and when I l

[R] Multivariate GARCH Package

Good day everyone,   I tried to find a multivariate GARCH package and failed to find one. Although when I searched R I found the following link which describes the package:   http://www.r-project.org/user-2006/Slides/Schmidbauer+Tunalioglu.pdf   can any one help me with this issue.   Thank you in

Re: [R] Partial sum of a vector

Thanks,   It worked. --- On Sun, 3/1/09, Jorge Ivan Velez wrote: From: Jorge Ivan Velez Subject: Re: [R] Partial sum of a vector To: "Mohammad Sabr" Cc: r-help@r-project.org Date: Sunday, March 1, 2009, 11:20 PM Hi Mohammad, You need to download and then install the zoo packag

Re: [R] Partial sum of a vector

to install or update. I reinstalled the zoo package but I still getting the previous problem.   Thank you for your assistance,   --- On Sun, 3/1/09, Jorge Ivan Velez wrote: From: Jorge Ivan Velez Subject: Re: [R] Partial sum of a vector To: "Mohammad Sabr" Cc: r-help@r-project.org D

[R] Partial sum of a vector

I am trying to run a loop where I can sum parts of a matrix. For example, I want at each step in the loop to sum the the next 4-values of a vector. I tried to do the following but the result were wrong:   for (i in 4:T) { data_q[i-3,]=sum(data_m[i-3,]:data_m[i,]) }   can anyone please direct me o