[gradsusr] RMSE for accumulated Rainfall

[Lyndon Mark Olaguera]

thanks for the kindest reply..This is a big help..
Here's my modified script:

'open 1D_nudging/surfnudge/surface_grid_nudging.ctl'
'open 1D_nudging/model/fnl_nonudging.ctl'

prompt 'Max Time: '
pull Max_time
prompt 'Title Header: '
pull Title_header
Time_val=2
Time_prev=1
while(Time_val<=Max_time)

'set t 'Time_val
'define rn1=(rainc+rainnc)-(rainc(t='Time_prev')-rainnc(t='Time_prev'))'
'define
rn2=(rainc.2+rainnc.2)-(rainc.2(t='Time_prev')-rainnc.2(t='Time_prev'))'
'define dif=rn1-rn2'
'define sq=dif*dif'
'define am=amean(sq,lon=115,lon=135,lat=4,lat=25)'
'define rmse=sqrt(am)'
'd rmse'

rmse=subwrd(result,4)
output=rmse
res=write(rmse_rain.csv,output,append)

Time_val=Time_val+1
Time_prev=Time_prev+1
endwhile
quit


This is working now..Thanks for your suggestions.




On Thu, May 16, 2013 at 12:20 AM, Jeff Duda <jeffduda319 at gmail.com> wrote:

> Yes, you can choose to leave the expression in that form.  What I have
> done is simply to distribute the minus sign.  The expressions are
> mathematically identical.
>
> Jeff
>
>
> On Wed, May 15, 2013 at 2:53 AM, Lyndon Mark Olaguera <
> olagueralyndonmark429 at gmail.com> wrote:
>
>>
>> On Wed, May 15, 2013 at 1:06 PM, Jeff Duda <jeffduda319 at gmail.com> wrote:
>>
>>> 'define fcstrain = rainc.1 + rainnc.1 - rainc.1(t-1) - rainnc.1(t-1)'
>>> 'define obsrain = rainc.2 + rainnc.2 - rainc.2(t-1) - rainnc.2(t-1)'
>>> 'define rainerror = fcstrain - obsrain'
>>>
>>
>> Hello,
>> Thanks for the reply..
>> I have another question on this line..
>>
>> 'define fcstrain = rainc.1 + rainnc.1 - rainc.1(t-1) - rainnc.1(t-1)'
>> 'define obsrain = rainc.2 + rainnc.2 - rainc.2(t-1) - rainnc.2(t-1)'
>> 'define rainerror = fcstrain - obsrain'
>>
>> should this be
>>
>> 'define fcstrain = (rainc.1 + rainnc.1) - (rainc.1(t-1) + rainnc.1(t-1))'
>> 'define obsrain =( rainc.2 + rainnc.2) - (rainc.2(t-1) + rainnc.2(t-1))'
>>
>> plus not minus?
>>
>>
>>
>> I will try this later
>> Lyndon
>>
>>
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>>
>>
>
>
> --
> Jeff Duda
> Graduate research assistant
> University of Oklahoma School of Meteorology
> Center for Analysis and Prediction of Storms
>
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>
>
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