[gradsusr] With respect to comparison.

[Ugo Okoro]

Thanks 

-----Original Message-----
From: "Jennifer M Adams" <jadams21 at gmu.edu>
Sent: ‎19/‎04/‎2017 10:33 PM
To: "ugo okoro" <uknac23 at yahoo.com>; "GrADS Users Forum" <gradsusr at gradsusr.org>
Subject: Re: [gradsusr] With respect to comparison.

You just need to use the lterp() function to regrid one of those variables to the other’s grid. For example, 


ga-> display w105-lterp(k1,w105)


—Jennfier




On Apr 18, 2017, at 3:12 AM, ugo okoro <uknac23 at yahoo.com> wrote:


Dear All,


A better description of my problem is,
I want to the difference between a model ppt output and observation data with different resolutions. The model has data over the both land and ocean whereas the observation has land only. But I only need the difference over land. I have regridded the model output successfully but find it very difficult to get the difference between the two as this is my error message:


Error in gagchk: axis sizes are not the same
Operation error:  Incompatable grids
  Error ocurred at column 8
DISPLAY error:  Invalid expression
  Expression = w105-k1


Thanks.
 
Ugo Okoro
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--
Jennifer Miletta Adams
Center for Ocean-Land-Atmosphere Studies (COLA)
George Mason University
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