[ferret_users] difference in trend computation from CDO and from ferret

[saurabh rathore <rohitsrb2020@xxxxxxxxx>]

Dear Ferreters,

G'day

I am having very strange problem in computation of trend (slope). I am replotting my data after 1 year or so and I want to compute trend from it. I am having my data from 2005-2015.

Here is the attached data.

from ferret I used this script

!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

use ohc-ferret.nc

let p=t[gt=ohcg1]

let q=ohcg1

go regresst

fill/lev=(-inf)(-20,20,4)(inf)/pal=blue_orange slope*10^-7*12

frame/file=test-ferret.png

!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

from CDO i used this command

cdo trend ohc-ferret.nc a.nc b.nc

here Re: [ferret_users] difference in trend computation from CDO and from ferret

• From: Pratik Kad

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