Re: Filling missing data

Hi Carl

I would use poisson_grid_fill for your application.

Under data analysis see

http://www.ncl.ucar.edu/Applications/grid_fill.shtml

N exactly what u r asking but ...

Good luck
D

On 9/16/10 2:31 PM, Carl Schreck wrote:
> I want to fill in the missing values in a time x lat x lon dataset.
> Less than 1% of the data are missing in fairly random places. I would
> be fine bilinearly interpolating the missing points in space, but I
> don't see a built-in function to do it. The closest functions I see
> are area_hi2lores, which would require me to degrade the resolution,
> or poisson_grid_fill.
>
> How much different is poisson_grid_fill from bilinear interpolation?
> If I understand correctly, the poisson should be better because it
> takes into account the second derivative, but it seems like it would
> be a little more complicated to document and explain.
>
> Thanks,
> Carl
>
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Received on Thu Sep 16 18:37:25 2010