Re: [R] arima time series in R

2013-06-09 Thread Aakanksha Dahiya01
I am just performing arima time series analysis here.. and package used is 
forecast.  I am just not  able what is ar1,ma1 and ma2.

-Original Message-
From: Prof Brian Ripley [mailto:rip...@stats.ox.ac.uk] 
Sent: Friday, June 07, 2013 5:29 PM
To: Aakanksha Dahiya01
Cc: r-help@r-project.org
Subject: Re: [R] arima time series in R

On 07/06/2013 12:21, Aakanksha Dahiya01 wrote:

 Hi

 Could just anyone explain me the coefficients in the output of arima 
 model

The person who wrote the help page already did, but that is hardly 'just 
anyone'.

 timeseriesarima - arima(series, order=c(1,1,2))
 timeseriesarima
 Series: series
 ARIMA(1,1,2)

 Coefficients:
   ar1  ma1 ma2
0.9744  -1.7695  0.7873
 s.e.  0.0310   0.0481  0.0426

 sigma^2 estimated as 337.4:  log likelihood=-1096.03
 AIC=2200.07   AICc=2200.23   BIC=2214.2

That is not from arima in package stats, so you need to follow the posting 
guide to tell us whose wrapper it is and hence which help page to read.  
(Possibly package TSA.)


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Re: [R] arima time series in R

2013-06-09 Thread Aakanksha Dahiya01
It would be great help if someone just tell me what does ar1,ma1 and ma2 
signify here.. how do I further predict from these coefficients..

-Original Message-
From: Aakanksha Dahiya01 
Sent: Monday, June 10, 2013 9:54 AM
To: 'Prof Brian Ripley'
Cc: r-help@r-project.org
Subject: RE: [R] arima time series in R

I am just performing arima time series analysis here.. and package used is 
forecast.  I am just not  able what is ar1,ma1 and ma2.

-Original Message-
From: Prof Brian Ripley [mailto:rip...@stats.ox.ac.uk]
Sent: Friday, June 07, 2013 5:29 PM
To: Aakanksha Dahiya01
Cc: r-help@r-project.org
Subject: Re: [R] arima time series in R

On 07/06/2013 12:21, Aakanksha Dahiya01 wrote:

 Hi

 Could just anyone explain me the coefficients in the output of arima 
 model

The person who wrote the help page already did, but that is hardly 'just 
anyone'.

 timeseriesarima - arima(series, order=c(1,1,2))
 timeseriesarima
 Series: series
 ARIMA(1,1,2)

 Coefficients:
   ar1  ma1 ma2
0.9744  -1.7695  0.7873
 s.e.  0.0310   0.0481  0.0426

 sigma^2 estimated as 337.4:  log likelihood=-1096.03
 AIC=2200.07   AICc=2200.23   BIC=2214.2

That is not from arima in package stats, so you need to follow the posting 
guide to tell us whose wrapper it is and hence which help page to read.  
(Possibly package TSA.)


   [[alternative HTML version deleted]]

 __
 R-help@r-project.org mailing list
 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.

That does mean you.



-- 
Brian D. Ripley,  rip...@stats.ox.ac.uk
Professor of Applied Statistics,  http://www.stats.ox.ac.uk/~ripley/
University of Oxford, Tel:  +44 1865 272861 (self)
1 South Parks Road, +44 1865 272866 (PA)
Oxford OX1 3TG, UKFax:  +44 1865 272595

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[R] arima time series in R

2013-06-07 Thread Aakanksha Dahiya01

Hi

Could just anyone explain me the coefficients in the output of arima model

timeseriesarima - arima(series, order=c(1,1,2))
 timeseriesarima
Series: series
ARIMA(1,1,2)

Coefficients:
 ar1  ma1 ma2
  0.9744  -1.7695  0.7873
s.e.  0.0310   0.0481  0.0426

sigma^2 estimated as 337.4:  log likelihood=-1096.03
AIC=2200.07   AICc=2200.23   BIC=2214.2


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Re: [R] help on multivariate time series in R

2013-05-31 Thread Aakanksha Dahiya01
I have read that MARSS,VAR,VARIMA are some of the functions that help in 
multivariate time series analysis but nothing is explained further on 
internet.. kindly help

From: Greg Snow [mailto:538...@gmail.com]
Sent: Friday, May 31, 2013 12:27 AM
To: Aakanksha Dahiya01
Cc: Blaser Nello; r-help@r-project.org
Subject: Re: [R] help on multivariate time series in R

Aakanksha,

Install the fortures package for R then run the following:

library(fortunes)
fortune(122)

Hopefully that will lead to enlightenment that will help you help us to help 
you.


On Thu, May 30, 2013 at 12:29 AM, Aakanksha Dahiya01 
aakanksha_dahiy...@infosys.commailto:aakanksha_dahiy...@infosys.com wrote:
An example would be a great help. I am new to this and did not find any 
significant help on internet.

-Original Message-
From: Blaser Nello [mailto:nbla...@ispm.unibe.chmailto:nbla...@ispm.unibe.ch]
Sent: Thursday, May 30, 2013 11:51 AM
To: Aakanksha Dahiya01; r-help@r-project.orgmailto:r-help@r-project.org
Subject: RE: [R] help on multivariate time series in R

Check out the CRAN task view on time series analysis 
http://cran.r-project.org/web/views/TimeSeries.html. There is a topic 
Multivariate Time Series Models.

-Original Message-
From: r-help-boun...@r-project.orgmailto:r-help-boun...@r-project.org 
[mailto:r-help-boun...@r-project.orgmailto:r-help-boun...@r-project.org]
On Behalf Of Aakanksha Dahiya01
Sent: Donnerstag, 30. Mai 2013 07:49
To: r-help@r-project.orgmailto:r-help@r-project.org
Subject: [R] help on multivariate time series in R

Hi
Could you just let me know how to do multivariate time series in R ?

Thanks and regards

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--
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538...@gmail.commailto:538...@gmail.com

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[R] help on multivariate time series in R

2013-05-30 Thread Aakanksha Dahiya01
Hi
Could you just let me know how to do multivariate time series in R ?

Thanks and regards

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Re: [R] help on multivariate time series in R

2013-05-30 Thread Aakanksha Dahiya01
An example would be a great help. I am new to this and did not find any 
significant help on internet.

-Original Message-
From: Blaser Nello [mailto:nbla...@ispm.unibe.ch] 
Sent: Thursday, May 30, 2013 11:51 AM
To: Aakanksha Dahiya01; r-help@r-project.org
Subject: RE: [R] help on multivariate time series in R

Check out the CRAN task view on time series analysis 
http://cran.r-project.org/web/views/TimeSeries.html. There is a topic 
Multivariate Time Series Models. 

-Original Message-
From: r-help-boun...@r-project.org [mailto:r-help-boun...@r-project.org]
On Behalf Of Aakanksha Dahiya01
Sent: Donnerstag, 30. Mai 2013 07:49
To: r-help@r-project.org
Subject: [R] help on multivariate time series in R

Hi
Could you just let me know how to do multivariate time series in R ?

Thanks and regards

 CAUTION - Disclaimer * This e-mail contains 
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Infosys reserves the right to monitor and review the content of all messages 
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