Displaying 20 results from an estimated 200 matches similar to: "A question on seasonal time series - R package"
2003 Sep 22
0
Help on Time series seasonal Models in R package
Hi there,
I am a graduate student using "R" for time series modeling. I have a
weeks data with 96 data per day. I am trying to use a seasonal model
with period of 96 (the size of the total data is 480) to
fit the data after deriving the order information from ACF
and PACF plots. But, I am getting the
following error message
"Error in optim(init[mask] ...) : non-finite
2009 Nov 01
1
problems whit seasonal ARIMA
Hello,
I have daily wind speed data and need to fit seasonal ARIMA model, problem
is that my period is 365. But when I use arima(...) function, with period
365, I?m getting error message: ?Error in makeARIMA(trarma[[1]],
trarma[[2]], Delta, kappa) : maximum supported lag is 350?. Can someone
help me with this problem?
Thank you
Sincerely yours,
Laura Saltyte
2010 Aug 04
0
Maximum seasonal 'q' parameter
Hi R,
Seems like the maximum seasonal 'q' parameter for the ?arima is 350. Any
way, where we can increase this? Since I am working on 3 year (q=252*3)
and 5 year(q=252*5) returns, I may require this option. Thanks.
> fit=arima(r,c(3,0,0),seasonal = list(order = c(0, 0, 500), period =
NA));tsdiag(fit);fit$aic
Error in makeARIMA(trarma[[1L]], trarma[[2L]], Delta, kappa) :
2008 Jun 12
2
arima() bug
I guess this is more r-devel than r-help.
Note, I am just the messenger - I have no idea what the user is trying to model here.
arima() crashes R (segfault) with Linux R-2.7.0, Solaris R-2.6.0:
*** caught segfault ***
address 42400000, cause 'memory not mapped'
Traceback:
1: .Call(R_getQ0, phi, theta)
2: makeARIMA(trarma[[1]], trarma[[2]], Delta, kappa)
3: arima(x, c(1, 0, 1), c(1,
2025 Jan 02
1
Possible issue in stats/arima.R package
On 2025-01-02 9:04 a.m., Norbert Kuder wrote:
> Hello all,
>
> I am running R version 4.4.2 (2024-10-31 ucrt) on Windows 10 x64, and
> noticed something that might be a minor bug (or at least inconsistent code)
> in the stats/arima.R package.
> I have found:
> 1. A missing stop() call at line 69:
> if (length(order) == 3) seasonal <- list(order = seasonal) else
2025 Jan 02
1
Possible issue in stats/arima.R package
On 2025-01-02 11:20 a.m., Duncan Murdoch wrote:
> On 2025-01-02 9:04 a.m., Norbert Kuder wrote:
>> Hello all,
>>
>> I am running R version 4.4.2 (2024-10-31 ucrt) on Windows 10 x64, and
>> noticed something that might be a minor bug (or at least inconsistent code)
>> in the stats/arima.R package.
>> I have found:
>> 1. A missing stop() call at line 69:
2011 Jul 20
0
The C function getQ0 returns a non-positive covariance matrix and causes errors in arima()
Hi,
the function makeARIMA(), designed to construct some state space
representation of an ARIMA model, uses a C function called getQ0,
which can be found at the end of arima.c in R source files (library
stats). getQ0 takes two arguments, phi and theta, and returns the
covariance matrix of the state prediction error at time zero. The
reference for getQ0 (cited by help(arima)) is:
2025 Jan 02
2
Possible issue in stats/arima.R package
>>>>> Duncan Murdoch
>>>>> on Thu, 2 Jan 2025 11:28:45 -0500 writes:
> On 2025-01-02 11:20 a.m., Duncan Murdoch wrote:
>> On 2025-01-02 9:04 a.m., Norbert Kuder wrote:
>>> Hello all,
>>>
>>> I am running R version 4.4.2 (2024-10-31 ucrt) on Windows 10 x64, and
>>> noticed something that might
2006 Jan 02
1
Use Of makeARIMA
Hi R-Experts,
Currently I'm using an univariate time series in which I'm going to
apply KalmanLike(),KalmanForecast (),KalmanSmooth(), KalmanRun(). For I
use it before makeARIMA () but I don't understand and i don't know to
include the seasonal coefficients. Can anyone help me citing a suitable
example? Thanks in advance.
------------------------------------------
2025 Jan 02
1
Possible issue in stats/arima.R package
Hello all,
I am running R version 4.4.2 (2024-10-31 ucrt) on Windows 10 x64, and
noticed something that might be a minor bug (or at least inconsistent code)
in the stats/arima.R package.
I have found:
1. A missing stop() call at line 69:
if (length(order) == 3) seasonal <- list(order = seasonal) else
("\'seasonal\' is of the wrong length")
it should be rather:
if
2009 Mar 06
0
modifying a built in function from the stats package (fixing arima) (CONCLUSIONS)
Thanks a lot to everybody that helped me out with this.
Conclusions:
(1)
In order to edit arima in R:
>fix(arima)
or alternatively:
>arima<-edit(arima)
(2)
This is not contained in the "Introduction to R" manual.
(3)
A "productive" fix of arima is attached (arma coefficients printed out and
error catched so that it doesn't halt parent loops to search for
2013 Sep 09
1
Fitting Arima Models and Forecasting Using Daily Historical Data
Hello everyone,
I was trying to fit an arima model to a daily historical data, but, for
some reason, havent been able to.
I basically have 212 observations (from 12/1/2012 to 06/30/2013) containing
the number of transits for a particular vessel.
The following messages are produced by R:
dailytrans.fit<-arima(dailytrans$transits, order=c(0,1,2),
seasonal=list(order=c(0,1,2), period=365),
2004 Jun 21
1
R 1.9.1 is released
I've rolled up R-1.9.1.tgz a short while ago. This is a maintenance
version mainly to fix a number of minor bugs and issues (the most
annoying one seems to have been the change to barplots of tables) and
some installation issues.
Because of the relocation the CVS archives, there is no direct access
to the files until they show up on the CRAN master site. You can then
get it from
2004 Jun 21
1
R 1.9.1 is released
I've rolled up R-1.9.1.tgz a short while ago. This is a maintenance
version mainly to fix a number of minor bugs and issues (the most
annoying one seems to have been the change to barplots of tables) and
some installation issues.
Because of the relocation the CVS archives, there is no direct access
to the files until they show up on the CRAN master site. You can then
get it from
2008 Feb 26
0
adjusting monthplot() towards a seasonal diagnostic plot for stl()
Hi all,
I would like to adjust the monthplot() of an stl() so that for a
time-series with freq=12 (months):
a) the curve on the panel for the k-th month graphs the seasonal values
minus their monthly mean values
b) add to the fig. the values of the k-th month of the seasonal +
remainder, also minus their monthly mean values
which corresponds to the 'seasonal diagnostic plot as described by
2011 Dec 28
2
Census ARIMA x-12 seasonal adjustment in R?
Hello,
I am new to usin R - which is a great tool - and would like to know if R
has a seasonal adjustment program for time series and/if it incorporates
the Census Bureau's ARIMA x-12 seasonal adjustment program in any way?
Thanks so much!
Tony
[[alternative HTML version deleted]]
2007 Jan 18
0
multiple seasonal time series models
Is there an R package that can model time series with multiple seasonal
cycles, e.g., 7 wkdy x 24 hr , I have tried searching the Help, but have
been unable to find anything. Any help would be appreciated.
thank you,
Spencer
[[alternative HTML version deleted]]
2004 May 24
0
Seasonal ARIMA question - stat package (formerly ts)
To whom it may concern:
I am trying to better understand the functionality of 'R' when making
arima predictions to avoid any "Black Box" disadvantages.
I'm fitting a seasonal arima model using the following command (having
already loaded 'stat' package).
arimaSeason <-
arima(Data,order=c(1,0,1),seasonal=list(order=c(1,0,1),period=12))
I can then generate
2009 Feb 17
0
How to simulate a seasonal ARIMA model in R?
Guys:
Is it possible to simulate a seasonal ARIMA model in R?
Which package can do this job?
saji from Shanghai
2009 Jul 08
0
stats::decompose - Problem finding seasonal component without trend
Hi R-help,
I'd like to extract the seasonal component of a short timeseries, and was
hoping to use stats::decompose. I don't want to decompose the 'trend'
component so I thought I should call decompose(x,filter=0). I think I've
either misunderstood the filter argument or come upon a bug/feature in
decompose.
# EXAMPLE