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Avg

Aggregate function. Returns the average value of a numeric expression evaluated over a set.

Syntax

 Avg( Set_Expression , Numeric_Expression )

Arguments

Set_Expression
MDX expression that returns set.
Numeric_Expression
MDX expression that returns a number.

Returns

Number
Average value of Numeric_expression over set

Examples

Example 1

Following example calculates the average time in days for unresolved issues from the last status change till today.
The formula pulls in a set of unresolved issues only and for this set will look for unresolved relevant to report selections and will calculate days for those issues from status updated date till now.

AVG(
  Filter(
    Descendants([Issue].CurrentMember, [Issue].[Issue]),
    -- for unresolved issues only
    isEmpty([Measures].[Issue resolution date])
    AND
    -- show on time for issue creation date
    DateInPeriod(
      [Measures].[Issue created date],
      [Time].CurrentHierarchyMember)
    ),
    -- calculate days in current status for each relevant issue
    CASE WHEN
    -- check if issue is relevant for the report
    [Measures].[Issues created]  > 0 
    THEN
    -- calculated days in status
      DateDiffDays([Measures].[Issue status updated date], Now())  
    END
)

See example report Issues days in current status overview in our demo account. The calculated measure Average days in current status uses the formula above to calculate the average days in the status for any statuses used in the report.

Example 2

The following example finds the average amount of resolved issues in the last 52 weeks.

Avg(
  {[Time.Weekly].[Week].CurrentDateMember.Lag(52): 
   [Time.Weekly].[Week].CurrentDateMember.PrevMember},
  CoalesceEmpty(
  ([Measures].[Issues resolved],[Time].DefaultMember),
   0)
)

See example report Predicted Completion date in our demo account. The calculated measure Rolling predicted date uses the formula above to calculate the predicted resolution date based on the velocity of 52 weeks.

See also