total.forecast.cov {dse2}R Documentation

Sum covariance of forecasts across all series

Description

Sum covariance of forecasts across all series.

Usage

    total.forecast.cov(obj, select=NULL)

Arguments

obj An object as returned by forecast.cov.
select Series to be select for summation. With the default all series are selected.

Value

An object similar to that returned by forecast.cov, with the covariance summed over all selected series.

Examples

if(is.R()) data("eg1.DSE.data.diff", package="dse1")
model1 <- est.VARX.ar(eg1.DSE.data.diff)
model2 <- est.VARX.ls(eg1.DSE.data.diff)
z <-  total.forecast.cov(forecast.cov(model1, model2,
                         data=trim.na(eg1.DSE.data.diff)))