A multivariate data object. Can be a matrix or data.frame or timeSeries.
out.sample
A positive integer indicating the number of periods before the last to keep for
out of sample forecasting.
n.old
For comparison with goGARCHfit models using the out.sample argument, this is the
length of the original dataset.
cluster
A cluster object created by calling makeCluster from
the parallel package. If it is not NULL, then this will be used for parallel
estimation (remember to stop the cluster on completion).
...
.
Value
A '>goGARCHfilter object containing details of the GO-GARCH
filter.