[gradsusr] Nino3.4 Attachment included this time

[Corey Gabriel]

Dear Grads Community:

I am attempting to remove a linear trend from several time series.  (Figure
attached).  I have tried many things, and I wrote a small block of
similar code that I am using to try to draw the linear trend line.

Any assistance would be greatly appreciated,

Thanks,
Corey


   1. set y 1
   2. set z 1
   3. set t 1 1753
   4. define var1 = aave(sst, lon=-5, lon=5, lat=190, lat=240)
   5. define var2= ave(var1,t+0,t=1872,12))
   6. d tregr(var1, var2, t=1, t=1753) [Result is the coefficient)
   7.  define coeff = tregr(var1, var2, t=1, t=1753)
   8. d coeff * (var1- var2) + var2
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