Returns the average value of a set of values, excluding $Null values.

Syntax

$average(expression)

Parameters

Return Value

Number, with the number of decimal places implied by expression.

Comments

The function calculates the average of a set of values, excluding $Null values.

Expression is often a WHERE expression that includes only selected values in the averaging operation. If the WHERE expression (expr1 WHERE expr2) is true, the expr1 value is included in the averaging operation; otherwise, expression is considered $Null and is not included in the averaging operation.

Example

compute Employees where DeptName="Sales"
evaluate (let AvgAge = $average($year($date)-$year(BirthDate)))
(let AvgSal = $average(Salary where Sex = "F"))

Finds the average age of all employees, and the average salary of all female employees, in the sales department.

report footing
$average(Salary)
($total(Salary*Salary) / $count(Salary) - $average(Salary) * $average(Salary))

Reports average salary and salary variance.

See Also

$count

$max

$min

$total

How to Use The Report Generator

WHERE