[ncl-talk] Help

[Arun Kumar Dwivedi]

Thank you all. It solved my problems.

Thanks & Regards
Arun Kumar Dwivedi,


On Tue, Aug 1, 2017 at 8:27 PM, Dennis Shea <shea at ucar.edu> wrote:

> There can't be a function for everything.
>
> A generalization of Guido's suggestion
>
>   X      = where(x.ne.0, x, x at _FillValue)
>   xavg = dim_avg_n_Wrap(X, nDim)   ; read documentation
>   printVarSummary(xavg)
>   printMinMax(xavg, 0)
>   delete(X)
>
> or, less clear but without a temporary array
>
>   xavg = dim_avg_n_Wrap(where(x.ne.0, x, x at _FillValue), nDim)
>   printVarSummary(xavg)
>   printMinMax(xavg, 0)
>
> On Tue, Aug 1, 2017 at 8:47 AM, Guido Cioni <guidocioni at gmail.com> wrote:
>
>> No, there is officially no function, but you can define a new one that
>> does the job pretty well.
>>
>> Here is the prototype that goes before the program "begin".
>>
>> function avg_zeros(x:numeric)
>> ; compute average not considering zeros,
>> ; --> in:  rain rate
>> ; <-- out: average rain rate
>> local N
>> begin
>>  N=num(x .ne. 0)
>>  return(sum(x)/ N)
>> end
>>
>> Example of a function call
>>
>> rain=avg_zeros(ts->precp_r)
>>
>> Cheers
>>
>> On 1. Aug 2017, at 08:32, Arun Kumar Dwivedi <dwivedi.arunkumar at gmail.com>
>> wrote:
>>
>> Hello All,
>>
>> In NCL ,how to calculate average of any array or data while ignoring all
>> the zeros
>> If there is any command or function, kindly let me know.
>>
>> Thanks & Regards
>> Arun Kumar Dwivedi,
>>
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>>
>>
>> Guido Cioni
>> http://guidocioni.altervista.org
>>
>>
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>
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