[GitHub] [arrow-datafusion] jiangzhx opened a new pull request, #5445: add std,median result to describe method

[via GitHub]

jiangzhx opened a new pull request, #5445:
URL: https://github.com/apache/arrow-datafusion/pull/5445

   # Rationale for this change
   add std,median result to describe method to keep same with polars.
   
   # What changes are included in this PR?
    calc std,median result for all columns , only include  column datatype is 
`is_numeric` 
   
   
   <img width="1831" alt="image" 
src="https://user-images.githubusercontent.com/494507/222329705-87f3a2f1-f70f-4df1-a312-f07438ace666.png";>
   
   
   
   # Are there any user-facing changes?
   returned by describe method adds more information。
   


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