[R] help - Package: stats - function ar.ols

[Pedro Gavronski.]

Hello,

I apologize for not following the posting guidelines. Please find
attached the data I am using and on the body of the email the code I
am using.


setwd("mydir")

dtb <- read.table(file="test.txt",header = TRUE)

ar.ols(x=dtb[2:6966,],demean=FALSE,intercept = TRUE,
       prewhite=TRUE)

Thanks in advance.

Best regards, Pedro.

On Fri, Feb 23, 2024 at 6:59 AM Pedro Gavronski. <pggavronski using gmail.com> wrote:
>
> Hello,
>
> Thanks for the reply Rui and for pointing out that I forgot to attach
> my code. Please find attached in this email my code and data.
>
> Thanks in advance.
>
> Best regards, Pedro Gerhardt Gavronski.
>
> On Fri, Feb 23, 2024 at 5:50 AM Rui Barradas <ruipbarradas using sapo.pt> wrote:
> >
> > Às 16:34 de 22/02/2024, Pedro Gavronski. escreveu:
> > > Hello,
> > >
> > > My name is Pedro and it is nice to meet you all. I am having trouble
> > > understanding a message that I receive when use function ar.ols from
> > > package stats, it says that "Warning message:
> > > In ar.ols(x = dtb[2:6966, ], demean = FALSE, intercept = TRUE,
> > > prewhite = TRUE) :
> > >    model order:  2 singularities in the computation of the projection
> > > matrix results are only valid up to model order 1, which I do not know
> > > what it means, if someone could clarify it, I would really appreciate
> > > it.
> > >
> > > Attached to this email you will find my code and data I used to run
> > > this formula.
> > >
> > > Thanks in advance.
> > >
> > > Best regards,  Pedro.
> > >
> > >
> > > ______________________________________________
> > > R-help using r-project.org mailing list -- To UNSUBSCRIBE and more, see
> > > https://stat.ethz.ch/mailman/listinfo/r-help
> > > PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
> > > and provide commented, minimal, self-contained, reproducible code.
> > Hello,
> >
> > Thanks for the data but the code is missing from the attachment.
> > Can you please post your code? In an attachment or directly in the
> > e-mail body.
> >
> > Rui Barradas
> >
> >
> > --
> > Este e-mail foi analisado pelo software antivírus AVG para verificar a presença de vírus.
> > www.avg.com

-------------- next part --------------
An embedded and charset-unspecified text was scrubbed...
Name: test.txt
URL: <https://stat.ethz.ch/pipermail/r-help/attachments/20240223/dd1ae927/attachment.txt>