Re: Detrending ice data

From: Dennis Shea <shea_at_nyahnyahspammersnyahnyah>
Date: Fri Aug 05 2011 - 08:17:29 MDT

It is possible. You have bounded data [0-1]

For the grid point(s) in question:

(a) plot the raw data
(b) plot the trend line
(c) take the difference at each point.

On 8/4/11 7:40 PM, Soumik Basu wrote:
> Hi,
>
> I used "dtrend_msg_n" to detrend a monthly sea ice data(1978-2008). My sea
> ice data has ice fraction between 0 and 1. But after detrending it I am
> getting values like 1.3. I could not understand how is it going above 1.
> I think the function is suppose to remove the trend from the data and give
> me the difference between the actual and the trend as +ve and -ve numbers
> ranging between -1 to +1 but not above +1.
>
> Thanks,
>
>
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Received on Fri Aug 5 08:17:35 2011

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