similar to: i have question about ARMAX

Hi, I want to model different timeseries with ARMAX models in R because I think that ARMAX models will map best to these data. Besides I don't want to use the order of the AR or MA part but the lag e.g. AR Part =ar1, ar2, ar7; MA Part =ma1, ma3 and I want to use exogenous variables as well. I coudn't find any solutions in the R help and therefore I want to ask all of you. Does anyone

Hello all, I''m having fun again with the arima function. This time I read in: http://www.stat.pitt.edu/stoffer/tsa2/R_time_series_quick_fix.htm <<It has recently been suggested (by a reliable source) that using xreg in arima() does NOT fit an ARMAX model [insert slap head icon here]. This will be investigated as soon as time permits.>> (by R.H. Shumway & D.S. Stoffer)

I am trying to understand how to fit an ARMAX model with the arima function from the stats package. I tried the simple data below, where the time series (vector x) is generated by filtering a step function (vector u, the exogenous signal) through a lowpass filter with AR coefficient equal to 0.8. The input gain is 0.3 and there is a 0.01 normal white noise added to the output: x <- u

Hello all, I have been using R's time series capabilities to perform analysis for quite some time now and I am having some questions regarding its reliability. In several cases I have had substantial disagreement between R and other packages (such as gretl and the commercial EViews package). I have just encountered another problem and thought I'd post it to the list. In this case,

Dear R-help-archive.. I am trying to figure out how to make arima prediction when I have a process involving multivariate time series input, and one output time series (output is to be predicted) .. (thus strictly speaking its an ARMAX process). I know that the arima function of R was not designed to handle multivariate analysis (there is dse but it doesnt handle arma multivariate analysis, only

Hi, I'm trying to understand environment object in R. I used the example: f <- function(x) { y <- 10 g <- function(x) x + y return(g) } h <- f() h(3) then i saw that f return an environment > h function(x) x + y <environment: 01B28570> but I coudn't access to x and y object in that environment: I tried

Pursing my earlier question, when I tried loading Lindsey's gnlm, I got a message Loading required package: rmutil Warning message: There is no package called 'rmutil' in: library(package, character.only = TRUE, logical = TRUE, warn.conflicts = warn.conflicts, According to the R documentation http://finzi.psych.upenn.edu/R/doc/html/packages.html rmutil is in the standard

Dear list, I have a data.frame with x, y values and a 3-level factor "group", say. I want to create a new column in this data.frame with the values of y scaled to 1 by group. Perhaps the example below describes it best: > x <- seq(0, 10, len=100) > my.df <- data.frame(x = rep(x, 3), y=c(3*sin(x), 2*cos(x), > cos(2*x)), # note how the y values have a different

I'm sorry. It's my fault. Only administrator can join a domain, so thats why I coudn't do it as different user. If I join the domain and restert windows 10, I can login as differnet user. So it was my fault, I didn't know about it. Everything works ok. Now I must add some users to administrators group and create some scripts. Best regards Andrzej sob., 28 lip 2018 o 14:35

Sorry for the totally newb question, but I coudn't find out from your website and posts if this is possible. Is it possible to use PXELinux to PXE boot a system and load a bootable ISO instead of a bootable floppy? If yes, are there size limitations on the ISO? I would like to PXE boot to WinPE using PXELinux if possible. Thanks

Hi, I'm using dovecot 2.2.5 with quota (maildir backend), zlib and expunge plugins. When I list maildirsize file, I get: 1073741824S 17952 16 If I receive a new message (example: 1204 bytes compressed and 2524 bytes plain text), the quota file is write correctly (2524 1 entry). When I move the message to trash folder (or between user custom folders) the file have wrong entries:

Hello, I'm new in using speex and programming with it. So, please help me to be more clear about it. I'm trying to write a voice decoder and encoder program using libspeex and using its variable bit-rates feature. At the encoder section I set the bit-rate of the output stream by setting "SPEEX_SET_ABR" option using this command:

i have heard some stories from some people who claim to have been able to set up a partition in linux and install win98 via wine and then having it fire up. i know wine isnt designed for this purpose but apparantly it has been done....who knows, maybe someone is pulling my leg. i'm just wondering if there is anyone out there who has pulled this off and if so how did they go about doing it. i

Hi, I was usuing the fExtemes package, and wanted to obtain some of the values returned from the function gumbelFit(). For example, in the following code, I would like to access 'mu' and 'beta' from the object 'para'. How should I go about doing this? Is there any generic method to access the object? ----------------------------------- >library("fExtremes")

Hello everyone of Wine. I have been an Ubuntu user for the past month or so now and I have very little experience with Wine. I originally started using the OS/app loader on a Sony Vaio NR110 laptop, but now I am the owner of an MSI Wind. I have my Wind dual booted (XP, Ubuntu) with the larger partition to ext3 for ubuntu's boot. Usuing about 1.3gb for swap too. I would like to start using

Hi! Using dovecot-1.1.17, and BDB-4.6.21. I'm having this error in every two weeks or so. I've running this in a crontab: /usr/local/sbin/dovecot --exec-mail \ ext /usr/local/libexec/dovecot/expire-tool The expire plugin and tool is working fine, the configuration is ok, and I'm using the BDB backend. What happens in every ~two weeks is dovecot starts to give me this error

I have a PC running Ubuntu 8.04 with Wine 1.0.0 and I am attempting to install Log Book Pro (http://logbookpro.com/). I've attempted the install multiple times, with and without winetricks downloads implemented, but always with the same results. The program installs, opens but has very limited functions that respond (ie the menus/buttons show options but then nothing happens with most of

Thanks for the advice. Going to look into this more this evening and hopefully get everything working. Thanks again! On Thu, Nov 5, 2015 at 11:56 AM, Dirk Eddelbuettel <edd at debian.org> wrote: > > On 5 November 2015 at 11:44, Michael Coyne wrote: > | What do you have installed as far as libcurl goes? Would you mind > | listing your packages and greping for libcurl entries.

There are another things left: 1. Adding check for ubsan to detect UBs caused by inplace new 2. upgrading GVN to optimize based on !invariant.group across BBs 3. Adding something like "nocapture-global" that will say that this pointer is not being captured by global, but may be captured for example by returning it from function. This thing is important because this is exactly what

Hi, I found that Xapian doesn't support Arabic, so I decided to help in that issue ... -- *YOURS* -------------- MOHAMED IBRAHIM ELDESOUKI Researcher @DBSRC ISSR - Cairo University Egypt - Cairo +201116500535 mailto: disooqi at gmail.com -------------- next part -------------- An HTML attachment was scrubbed... URL: