R: Weird behaviour consistent with R specification? -

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When working with large lists with the named field, I follow the following, and exceptionally incompatible behavior: 

  & gt; L [[Regional ID]] [203] $ `112175100` [1] 0> [[Regional ID]] [["112175100"] [1] 93.98552   
 and  
  & gt; Reduce ("+", L [[Regional ID]]) [1] 434005.8 & gt; S & lt; - 0 & gt; For (in the name (L [[Regional ID]] + + {+ S  - S + L [[Regional ID]] [[Ann]] +}> S [1] 458813.5   
 
 
 You can have several elements of the same name,  
  L <- list () field id & lt; - 1 L [[regionID]] & lt; ([112175100 ] = 0, "112175100" = 93.98552) L [[Regional IDE]] [2] L [[Regional ID]] [["112175100"]

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