Displaying 20 results from an estimated 1000 matches similar to: "I need help with the mean equation in rgarch package"
2010 Sep 13
0
Help with ugarchspec function
Hi
I am using the ugarchspec function from the rgarch package to fit a mean
variance model jointly. Following is the code I'm using:
> spec = ugarchspec(variance.model = list(model="eGARCH",
garchOrder=c(1,1)), mean.model = list(armaOrder=c(1,1)))
On doing this, I get the following error:
Error in ugarchspec(variance.model = list(model = "eGARCH", garchOrder =
c(1,
2002 Apr 15
2
Newbie problem with ox package
HI,
I need urgently garch and egarch models. After looking through the R mail
archives I found http://www.egss.ulg.ac.be/garch/default.htm which is an Ox
package. After downloading and installing it in R (Version 1.4.1 through the
windows dialog "Packages") I received the following warning:
install.packages("D:/benjamin/bartels/R/packages/garch22/garch_v22.zip",
2011 Jul 22
0
GARCH IN THE MEAN Model in R
Dear All,
Sorry to bother. I'd like to estimate GARCH-M( GARCH IN THE MEAN) model. And
find that a package called rgarch could help. But I always can't instal
rgarch package successfully. I posted my problems and got some suggestions
but still failed. Does any one knows other method that could do GARCH-M
model?
I appreciate your time and help!
Cheers,
Xi
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2004 Aug 02
1
Estimating EGARCH processes with R
Hallo,
I am a student specializing statistics and econometrics in germany. I know there is a way to program EGARCH-processes (time series analyses) in R.
If you are ackquainted with statistics already you know that there is nothing but a theorethical use of GARCH-Package in R. Not only because the distribution is gaussian, but also because the skewdness and leptokurthosis are not quite good
2009 Jul 15
1
Is it possible to use EGARCH and GJR in R?
Hi,
Could you please help me with EGARCH and GJR?
Is it possible to use EGARCH and GJR in R? I have used below mentioned
code
for GARCH in R, but I never used EGARCH and GJR in R.
Thank you in advance!
daten<-read.table("H://Daten//Zeitreihen//dax_1.csv", sep=";", header=T)
DAX.kurs<-daten
DAX.kurs<-ts(DAX.kurs,names="DAX-Kurs")
2013 Apr 08
0
Maximum likelihood estimation of ARMA(1,1)-GARCH(1,1)
Hello
Following some standard textbooks on ARMA(1,1)-GARCH(1,1) (e.g. Ruey
Tsay's Analysis of Financial Time Series), I try to write an R program
to estimate the key parameters of an ARMA(1,1)-GARCH(1,1) model for
Intel's stock returns. For some random reason, I cannot decipher what
is wrong with my R program. The R package fGarch already gives me the
answer, but my customized function
2010 Jun 21
2
Garch in the mean
Hello,
I was wondering if anyone knew how to fit a series using a Garch-M (Garch
in the mean) model. From what I gathered from the documentation, it does
not seem to be implemented in either fGarch, fSeries, or tSeries. Perhaps
there is an option that allows this functionality. Otherwise, if it's
possible to modify an existing function I would appreciate any guidance on
how to go about
2005 Feb 22
1
Does R has the function for garch-t, gjr-garch, qgarch and egarch
Dear all,
I would like to know that R has the function for garch-t,gjr-
garch,qgarch and egarch.
Best Regards,
Luck
2004 Jun 02
0
ARCH-M, EGARCH
Hi,
I would like to know if there are R packages in order to fit ARIMA models
with ARCH-M and EGARCH variance specifications. I know packages tseries,
stats, nlme where I found functions : arima.sim, arima, garch. But it's
not enough for me. I need to study ARCH-m and EGARCH. Thank you very much
for your help.
Best regards,
Jerome.
2006 May 24
1
Does R have EGARCH modeling function?
I've downloaded fSeries, but looks like it just has an interface to OX(TM)
Garch Modeling Software,and that OX(TM) software package is not free.
So where can I find an EGARCH function that is truely usable?
Thanks a lot!
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2005 Jul 02
1
how to call sas in R
Hello all,
I would like to know how to call sas code in R. Since I simulate data in
R and I need to use sas code (garch-t,egarch and gjr) to estimate it. I
need to simulate 500 times with 2000 obs. How I can call that code in
R.Also, how I can keep the parameters from the estimate.
j=1:500
i=1:2000
sas code
keep parameters.
Best Appreciate,
Luck
2005 Dec 13
1
fSeries
I'm trying to use garchFit from fSeries, with Student or Skewed Student conditionnal distribution. Let's say that eps (vector) is my series of daily log-returns:
data(EuStockMarkets)
eps = diff(log(EuStockMarkets[,"CAC"]))
library(fSeries)
g = garchFit(series = eps, formula.var = ~garch(2,2), cond.dist = "dstd")
s = g at fit$series
All the coefficients are ok
2007 Jun 16
1
fSeries - Ox - ver: 240.10068 - Steps to make it work
-Bugs and fixes reported to Diethelm Wuertz.
-In the interim. To make the Ox functions part of the fSeries package work please follow the following steps.
-------------------------------------------------
1. Install R-project.
2. Install fSeries.
3. Download: http://www.core.ucl.ac.be/~laurent/G@RCH/site/xbdcons/garch42.zip (G@RCH package for Ox)
4. Download:
2011 Nov 14
0
rugarch data format?
I am sorry to ask this group but the maintainer of this package did not
leave an email address.
Has anyone used or is using the 'rugarch' package with time-series data
(ts)? I try to fit a GARCH model to my data using the following:
> gf <- ugarchfit(data=l[["MEN"]]$series, spec=spec)
and I get:
Error in .extractdata(data) :
rgarch-->error: class of
2012 Sep 05
1
run EGARCH package on REXCEl
Hi,
I have limited experience on R and recently started using REXcel. Although I have been able to run both simple functions (like mean etc) and some complex ones (like Principal Component analysis, PCA) using RExcel, I am facing some problems while running EGARCH model. For this I have downloaded the 'betategarch' package for R to run EGARCH with student t dist. Although the package has
2005 Jun 30
1
how to call egarch of sas in R
I use R to generate data and I need to estimate the data by egarch (that
doesn't have in R). So how I can call egarch from SAS in R.
Regards,
luck
2005 Jul 01
0
how to code garch-t(1,1),egarch(1,1) and gjr(1,1)
hi,
I try to code garch-t(1,1),egach(1,1) and gjr(1,1) to estimate my data.
How I can code these model with my data (e.g. garch code is
y<-garch(x,order=c(1,1))
best regards,
luck
2013 Nov 16
1
r documentation rugarch egarch
Hi,
I`m about to switch from STATA to R and have serious troubles to find proper
documentations on the internet.
Right now I try to find a proper documentation of the eGARCH model being
part of the rugarch package.
Neither here
http://cran.r-project.org/web/packages/rugarch/vignettes/Introduction_to_the_rugarch_package.pdf
nor here
http://cran.r-project.org/web/packages/rugarch/rugarch.pdf
could
2009 Jun 10
2
Predict GARCH
hello,
i was trying to predict values for a garch, so i did:
predict(fitgarch,n.ahead = 20)
but this doesn't work. Someone can tell me how to get the 20 values ahead of a garch model.
thanks in advance
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2005 Aug 18
1
code a family of garch
Dear R-helpers,
I was wondering if anyone has or knows someone who might have an
implementation
of algorithm for estimating garcht-t, egarch and gjr models. I try to
use Fseries but I don't know how to code these models.
Thanks a million in advance,
Sincerely,
Nongluck