DavisVaughan opened a new issue, #36849:
URL: https://github.com/apache/arrow/issues/36849

   ### Describe the enhancement requested
   
   i.e. functions like rolling mean, min, max, etc.
   
   In https://github.com/r-lib/slider/issues/195 I got a request for rolling 
window functions to work with arrow backends. I have a feeling the way that 
would work (if it existed) was for arrow to translate something like 
`mutate(df, mean = slide_mean(col, before = 3))` internally to something the 
C++ engine understands.
   
   But I'm not sure if arrow supports rolling functions at all, so this is also 
more of a discussion issue to figure out if that was on the roadmap
   
   ### Component(s)
   
   R


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