4D Doc Center : Average

4D v12.4

Average


Average ( series ) -> Function result

Parameter	Type	Description
series	Field	Data for which to return the average
Function result	Real	Arithmetic mean (average) of series

Description

Average returns the arithmetic mean (average) of series. If series is an indexed field, the index is used to find the average.

If the command is correctly executed, the OK system variable is set to 1. If it is interrupted (for example if the user clicks on the Stop button of the progress thermometer), the OK variable is set to 0.

Example

The following example sets the variable vAverage that is in the B0 Break area of an output form. The line of code is the object method for vAverage. The object method is not executed until the level 0 break:

vAverage:=Average([Employees] Salary)

The following method is called to print the records in the selection and to activate break processing:

 ALL RECORDS([Employees])

 ORDER BY([Employees];[Employees]LastNm;>)

 BREAK LEVEL(1)

 ACCUMULATE([Employees]Salary)

 FORM SET OUTPUT([Employees];"PrintForm")

 PRINT SELECTION([Employees])

Note: The parameter to the BREAK LEVEL command should be equal to the number of breaks in your report. For more information about break processing, refer to the chapter Printing.