elasticsearch/docs/reference/query-languages/esql/_snippets/functions/mv_avg.md

MV_AVG [esql-mv_avg]

Syntax

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Parameters

number

Multivalue expression.

Description

Converts a multivalued field into a single valued field containing the average of all of the values.

Supported types

number	result
double	double
integer	double
long	double
unsigned_long	double

Example

ROW a=[3, 5, 1, 6]
| EVAL avg_a = MV_AVG(a)

a:integer	avg_a:double
[3, 5, 1, 6]	3.75