I changed some of the comments
to make things clearer.
>
>>http://ngwww.ucar.edu/ngdoc/ng/ref/ncl/functions/rtest.html
>>
>>function rtest (
>> r : numeric,
>> Nr : integer,
>> opt : integer
>> )
>>
>>some question about this function:
>>1. Is the significance test applied here T-test(Student's t-test)?
>
>yes ... very similar to Numerical Recipies.
> Use SLATEC to comute the beta function.
>
>>2. Is there a corresponding function like "test_Wrap"?
>
>No but if the "r" has meta data associated with it,
>u can readily do it.
>
function rtest_Wrap (r:numeric, Nr:integer, opt:integer)
begin
result = r ; variable-to-variable transfer of
; values and meta data
result = rtest(r, Nr, opt) ; over write values with statistics
; meta data retained
result@long_name = "cor. coef. sifnificance"
if (isatt(result,"units")) then
delete(result@units) ; no units
end if
return(result)
end
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