Class for the univariate GARCH Multiple forecast.
A virtual Class: No objects may be created from it.
signature(x = "uGARCHmultiforecast"):
extracts the n.ahead by (n.roll+1) by n.assets array of conditional sigma
forecasts.
signature(x = "uGARCHforecast"):
extracts the n.ahead by (n.roll+1) by n.assets array of conditional mean
forecasts.
signature(object = "uGARCHforecast"): forecast summary.
Classes '>uGARCHmultifilter, '>uGARCHmultifit and
'>uGARCHmultispec.