vars package - irf() does not work
I would suggest that you comment out the offending command and re-enter it from the keyboard. It appears that the command is failing the syntax check in the command. I have not checked the vars package but it is usual to do a syntax check before the data is analysed. you could also have a look at your script in a hex editor. If this does not solve your problem I would suggest that you send to the list your script and data in text format as attachments. (I presume that this is allowable) John C Frain 3 Aranleigh Park Rathfarnham Dublin 14 Ireland www.tcd.ie/Economics/staff/frainj/home.html mailto:frainj at tcd.ie mailto:frainj at gmail.com
On 24 February 2017 at 10:42, PIKAL Petr <petr.pikal at precheza.cz> wrote:
Hi
so
var.2c <- VAR(Canada, p = 2, type = "const")
irf(var.2c, impulse = "e", response = c("prod", "rw", "U"), boot = FALSE)
works only sometimes? Or it does not work with **your** data only?
If it is the later, the issue is probably in your data. You should look at
them to see if
str(yourdata)
does not show some problems.
Cheers
Petr
-----Original Message----- From: R-help [mailto:r-help-bounces at r-project.org] On Behalf Of T.Riedle Sent: Friday, February 24, 2017 10:28 AM To: John Dougherty <jwd at surewest.net>; r-help at r-project.org Subject: Re: [R] vars package - irf() does not work The code is written in a script and I use Rstudio. The script stops when
the
irf() command should be executed returning the error mentioned below. I tried to writte an independent script just for the irf() function but it
does not
work either with the same error.
________________________________________ From: R-help <r-help-bounces at r-project.org> on behalf of John Dougherty <jwd at surewest.net> Sent: 24 February 2017 00:46 To: r-help at r-project.org Subject: Re: [R] vars package - irf() does not work On Wed, 22 Feb 2017 09:57:00 +0000 "T.Riedle" <tr206 at kent.ac.uk> wrote: Dear all, I have not received any response on this email. Is there anybody who can help me? I want to run an impulse response analysis using the vars() package. The code looks as follwows. # list of class varest varest.USA<-VAR(VAR_analsis_DataUSA, lag.max = 24, ic = "SC", type = "both") varest.USA summary(varest.USA) #Run irf analysis irf.USAg<-irf(varest.USA, response = "g", n.ahead = 48, boot = TRUE, ci=0.95) plot(irf.USAg) The problem is that R returns an error that the arguments in irf are unused. That is, unused arguments (response="g", n.ahead = 48, boot = TRUE, ci=0.95) The strangeness is that it sometimes works but most of the time it does not. I installed vars() last month and irf() worked well but now it does only occasionally. I have just edited the data but kept the code unchanged. In addition, I have the same problem when I am trying to replicate the example on irf() in the vars vignette althoug it also worked well when I installed vars and run the example. Does anybody have an idea what is wrong? Two guesses are 1) you are not consistently entering the commands and
thus
get variable outcomes, and 2) possibly there are "depends" that irf() needs that need to updated. You could also contact the package creators. I would also observe that this looks remarkably like you
might be
asking for help on your homework. I would create a script of the commands you use as they work, each
entered
in sequence as you used it. You use it essentially as a lab notebook that documents procedures. RStudio works well for this, since you can copy
each
line that works from the Console to a script file in the editor. You
can do the
same with a text editor, while using R from a console, but it is somewhat more clumsy. -- John
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