R help - Nov 2014 - auto.arima function in R

Hello every one,

I am using daily data of the flight departure.

Departure Date           Load (Seats booked/Capacity)
12/01/2011                                 10
13/01/2011                                 12
14/01/2011                                 09

I want to fit an arima model to the data for forecasting the load for the
next day flight. I am using auto.arima function in R.

Residuals and fitted values that I am getting from auto.arima has NAs
whereas I don't have any NA in my original data.

Can anyone please help me with the probable reason for this.


-- 
Akhil Dua
Consultant
 National Institute of Public Finance and Policy
18/2 Satsang Vihar Marg,
Special Institutional Area,
New Delhi 110067.
[Near JNU East Gate]

Mo:+91-7827-662-202
Location:- http://goo.gl/ICCjh

	[[alternative HTML version deleted]]

There is no auto.arima function 'in R'.  Do give credit/blame where it 
is due (probably package 'forecast').

Without the reproducible example the posting guide asked for, we can 
only guess wildly.  I at least decline to do so.


On 20/11/2014 10:52, Akhil dua wrote:
> Hello every one,
>
> I am using daily data of the flight departure.
>
> Departure Date           Load (Seats booked/Capacity)
> 12/01/2011                                 10
> 13/01/2011                                 12
> 14/01/2011                                 09
>
> I want to fit an arima model to the data for forecasting the load for the
> next day flight. I am using auto.arima function in R.
>
> Residuals and fitted values that I am getting from auto.arima has NAs
> whereas I don't have any NA in my original data.
>
> Can anyone please help me with the probable reason for this.
>
>

-- 
Brian D. Ripley,                  ripley at stats.ox.ac.uk
Emeritus Professor of Applied Statistics, University of Oxford
1 South Parks Road, Oxford OX1 3TG, UK