Re: About filtering data

[1] Filter the data via
http://www.ncl.ucar.edu/Document/Functions/Contributed/wgt_runave_Wrap.shtml
or
http://www.ncl.ucar.edu/Document/Functions/Built-in/wgt_runave.shtml

Example 3 shows an example for twice daily data.

[2] Use dim_variance or dim_variance_Wrap to compute the variance.

Good Luck
==============================
louis Vonder wrote:
> Dear NCL users,
>
>
> I am trying to compute the variance of filtered OLR using
> non-recursive digital filters with half-power points at 30 and 90 days.
>
> I don't know how to proceed before using ncl function dim_variance_Wrap
>
> Thanks
>
>
>
>
>
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Received on Thu May 22 2008 - 07:12:47 MDT