[gradsusr] how to compute standard deviation in grads

[Amina Khan]

Thank you so much Hosmay. But how can i remove the undefined values from the file.
 


     On Monday, August 31, 2015 10:56 PM, Hosmay Lopez <hlopez at rsmas.miami.edu> wrote:
   

 Hi Amina,
I f your precipitation variable is named precip, then you could do:
Precip_StDev = sqrt(ave(pow(precip , 2), t = 1 , t = nt))
where, sort function is the square rootave function is average over time dimension in this case.pow function is the power function to square precip variable.
Hope this helps.
Hosmay Lopez
UM/CIMAS/RSMAS NOAA/AOML/PHOD
4301 Rickenbacker Causeway,
Miami, FL 33149, USA
Phone: (305) 361-4329

From: gradsusr-bounces at gradsusr.org [gradsusr-bounces at gradsusr.org] on behalf of Amina Khan [k.amina93 at yahoo.com]
Sent: Monday, August 31, 2015 1:35 PM
To: gradsusr at gradsusr.org
Subject: [gradsusr] how to compute standard deviation in grads

Hi all, I want to compute standard deviation from nc file having precipitation data.There are also some undefined values in file. How can i do this. Please guide me.

ThanksAmina


  
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