Re: [R] a question about arimax, please

2014-10-07 Thread Jose Iparraguirre
C1H 9NB T 020 303 31482 E jose.iparragui...@ageuk.org.uk Twitter @jose.iparraguirre@ageuk -Original Message- From: r-help-boun...@r-project.org [mailto:r-help-boun...@r-project.org] On Behalf Of Erin Hodgess Sent: 06 October 2014 23:58 To: peter dalgaard Cc: R help Subject: Re: [R] a ques

Re: [R] a question about arimax, please

2014-10-06 Thread Erin Hodgess
This is great...thanks so much! On Mon, Oct 6, 2014 at 5:56 PM, peter dalgaard wrote: > In package TSA? > > You may need to do some studying for yourself, this is complicated stuff. > > As I read the help page, the intention is that the transfer= bit is to > allow a _covariate_ to affect the pr

Re: [R] a question about arimax, please

2014-10-06 Thread peter dalgaard
In package TSA? You may need to do some studying for yourself, this is complicated stuff. As I read the help page, the intention is that the transfer= bit is to allow a _covariate_ to affect the process in an ARMA-like fashion. So c(1,0) would be AR(1)-like which if I remember correctly corres

[R] a question about arimax, please

2014-10-06 Thread Erin Hodgess
Hello! I have about the arimax function, please: If you see the example page, you see the following: # Exhibit 11.6 air.m1=arimax(log(airmiles),order=c(0,1,1),seasonal=list(order=c(0,1,1), period=12),xtransf=data.frame(I911=1*(seq(airmiles)==69), I911=1*(seq(airmiles)==69)), transfer=list(c(0,0),c(