dse (version 2003.6-1)

addPlotRoots: Add Model Roots to a plot

Description

Calculate and plot roots of a model.

Usage

addPlotRoots(v, pch='*', fuzz=0)

Arguments

v

An object containing a TSmodel.

pch

Character to use for plotting.

fuzz

If non-zero then roots within fuzz distance are considered equal.

Value

• The eigenvalues of the state transition matrix or the inverse of the roots of the determinant of the AR polynomial are returned invisibly.

sideffects

The roots are addeded to an existing plot.

See Also

plot.roots

Examples

if(is.R()) data("eg1.DSE.data.diff", package="dse1")
model <- estVARXls(eg1.DSE.data.diff)
plot(roots(model))
addPlotRoots(toSS(model))