elasticsearch - Extended stats aggregation in elastic search - elastic - elastic search - elasticsearch tutorial - elasticsearch docker
- A multi-value metrics aggregation that computes stats over numeric values extracted from the aggregated documents. These values can be extracted either from specific numeric fields in the documents, or be generated by a provided script.
- The extended_stats aggregations is an extended version of the stats aggregation, where additional metrics are added such as sum_of_squares, variance, std_deviation and std_deviation_bounds
{ "aggs" : { "stats_values" : { "extended_stats" : { "field" : "field_name" } } } }
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Sample output:
{ ... "aggregations": { "stats_values": { "count": 9, "min": 72, "max": 99, "avg": 86, "sum": 774, "sum_of_squares": 67028, "variance": 51.55555555555556, "std_deviation": 7.180219742846005, "std_deviation_bounds": { "upper": 100.36043948569201, "lower": 71.63956051430799 } } } }