is.stable: Stability of the process

View source: R/stable-process.R

is.stableR Documentation

Stability of the process

Description

Check the stability condition of coefficient matrix.

Usage

is.stable(x, ...)

## S3 method for class 'varlse'
is.stable(x, ...)

## S3 method for class 'vharlse'
is.stable(x, ...)

## S3 method for class 'bvarmn'
is.stable(x, ...)

## S3 method for class 'bvarflat'
is.stable(x, ...)

## S3 method for class 'bvharmn'
is.stable(x, ...)

Arguments

x

Model fit

...

not used

Details

VAR(p) is stable if

\det(I_m - A z) \neq 0

for \lvert z \rvert \le 1.

Value

logical class

logical class

References

Lütkepohl, H. (2007). New Introduction to Multiple Time Series Analysis. Springer Publishing.


bvhar documentation built on April 4, 2025, 5:22 a.m.