Refining a VARX Model

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Description

Refine a fitted VARX model by setting insignificant parameters to zero

Usage

1
refVARX(m1, thres = 1)

Arguments

m1

An output object of the VARX commond or the refVARX command

thres

A threshold for the individual t-ratio. Default is 1.

Details

The program sets simultaneously all estimates with t-ratio less than threshold (in modulus) to zero and re-estimate the VARX model.

Value

The same as those of the command VARX.

Author(s)

Ruey S. Tsay

References

Tsay (2014, Chapter 6). Multivariate Time Series Analysis with R and Financial Applications. John Wiley. Hoboken, NJ.

See Also

VARX

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