R help - Nov 2009 - package(vars) and generalized impulse response functions

Hi,

I was wondering whether the package(vars) can estimate generalized impulse
response functions for VARs / VECMs.

The general option on package(vars) available is:-

suppose I want to give a shock to 'a' and observe the response of
'b', then

irf(x, impulse=a, response=b, n.ahead=10,
boot=TRUE,ci=0.95,runs=100,seed=NULL...)

The vignettes and manuals says that the default is 'ortho=TRUE' (and the
other option is cumulative=NULL).

Or is there any other package one would suggest?

Thanks,

Regards,
Vimal

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