ElasticSearch: aggregation on _score field?

Question

I would like to use the stats or extended_stats aggregation on the _score field but can\'t find any examples of this being done (i.e., seems like you can only u

Answer 1

doc.score doesn't seem to work anymore. Using _score seems to work perfectly.

Example:

{
    ...,
    "aggregations" : {
        "grades_stats" : { 
            "stats" : { 
                "script" : "_score" 
            } 
        }
    }
}