First, I doubt if you need "library(stats)", because it is normally
automatically attached when R starts. To confirm, request "search()".
When I just did this with R 2.1.0 patched, "package:stats" was the
third item.
Second, if you've already produced qq-plots and histograms, then I
doubt if you need the "data(DAX_CAC)". If you have not exited R since
you successfully imported the data, and you stored it as "DAX_CAC", it
should still be available.
Third, the message 'Error: couldn't find function "garch"' indicates
that no function by that name is in the current "search()" path. The
command 'RSiteSearch("garch")' revealed that it was part of package
"tseries". To be able to access that, you need to
'install.packages("tseries")', 'update.packages()', and then
'library(tseries)'.
This should get you past the error messages I see.
spencer graves
Ukech U. Kidi wrote:
Dear R users,
Could you please help me out. I am unable to formulate a model in R to
graphs a GARCH (1 , 1) model, the Hill estimator (of alpha), and the
Pareto estimator.
I have a financial time series data from the DAX and CAC40. I just got
introduce to R. I am working on a paper which must be worked from R.
I successfully imported the data into R. I also succeeded to produce te
qq-plots and histograms from the data.
My difficulty at the moment lies where I could not go further to plot
the GARCH plots, the Hill estimator of alpha and the Pareto estimator.
Reading from the FAQs of this list, I attempted the following and wasn't
succeesful. Could anyone show me the steps that I might have omited.
Check my errors from the following.
library(stats)
data(DAX_CAC)
Warning message:
Data set 'DAX_CAC' not found in: data(DAX_CAC)
data("DAX_CAC")
Warning message:
Data set 'DAX_CAC' not found in: data("DAX_CAC")
dax<- diff(log(DAX_CAC$DAX[1:1865]))
m1<- garch(dax)
Error: couldn't find function "garch"
m1<- garch(dax[1:1865])
Error: couldn't find function "garch"
m1<- garch(dax[1:1865])
Thank you in advance,
Ukech U. kidi
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