XPost: alt.global-warming, sci.skeptic   
   From: Dawn.Belle.Flood@gmail.com   
      
   On 2/13/2026 11:48 PM, Paul Aubrin wrote:   
   > Le 13/02/2026 à 14:08, Dawn Flood a écrit :   
   >>> It is data, ocean temperature variations (speed of change) data.   
   >>   
   >> In this case, it does NOT make any sense whatsoever to plot derivatives.   
   >   
   > It is a data analysis technique I learned in a signal detection course   
   > long ago. Derivation (first differences) and detrending data is required   
   > to avoid spurious correlations.   
   >   
   > https://tylervigen.com/spurious-correlations   
   >   
   > Mauna-Loa monthly increments (annually smoothed to remove seasonal   
   > variations, trend removed) versus Hadley global ocean temperatures   
   > increments (annually smoothed) six months before, since 1958. Each dot   
   > is a month.   
   >   
   > https://i.postimg.cc/tC7Gyvds/ESRLCO2-HADSST-7months.png   
      
   Nope, nonsense.  Honey, I worked in statistical process control for 14   
   years; NO ONE in statistics thinks this way!!   
      
   Once again, what's your null hypothesis here??  (Answer:  You don't have   
   one, do you??)   
      
   Dawn   
      
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