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AVERAGEX

概述

针对表计算一组表达式的平均值（算术平均值）。

语法

分析表达式

AVERAGEX(<table>,<expression>)

参数

参数	定义
table	表的名称，或一个表达式，用于指定可以执行聚合的表。
expression	具有标量结果的表达式，对第一个参数中的表的每一行求值。

返回值

返回一个十进制的数字。

示例

返回表 Sale 中 Price 列的平均值。

分析表达式

AVERAGEX('Sale','Sale'[Price])