Class %ZEN.Report.Aggregate.Median

deprecatedclass %ZEN.Report.Aggregate.Median extends %ZEN.Report.CustomAggregate

Aggregate for the median of a set of numerical data. The median is a number with half of the data set of greater value than it, and half of lesser value. For a data set with an odd size, the median is a member of the data set. For a data set with an even size, the median is half-way between two members of the data set.

Inventory

Parameters	Properties	Methods	Queries	Indices	ForeignKeys	Triggers
	2	5

Summary

Properties
Count	Values	accumIf	class
escape	excelFormula	excelName	excelNumberFormat
expression	field	fields	filter
format	ignoreNLS	name	postprocessResult
preprocessValue	runtimeMode	type	uniqueId

Methods
%AddToSaveSet	%ClassIsLatestVersion	%ClassName	%ConstructClone
%DispatchClassMethod	%DispatchGetModified	%DispatchGetProperty	%DispatchMethod
%DispatchSetModified	%DispatchSetMultidimProperty	%DispatchSetProperty	%Extends
%GetParameter	%IsA	%IsModified	%New
%NormalizeObject	%ObjectModified	%OriginalNamespace	%PackageName
%PostProcessValue	%PreProcessValue	%RemoveFromSaveSet	%SerializeObject
%SetModified	%ValidateObject	GetResult	ProcessValue
XMLDTD	XMLExport	XMLExportToStream	XMLExportToString
XMLNew	XMLSchema	XMLSchemaNamespace	XMLSchemaType
fieldIsValid	nameIsValid

Properties

• property Count as %Integer [ InitialExpression = 0 ];

Number of values processed

• property Values as array of %Integer;

Array of processed values

Methods

• method GetResult() as %String

Returns the median. Returns "" for an empty data set. Uses a divide and conquer selection algorithm.

• method ProcessValue(pValue As %Float) as %Status

Processes each new value.

Class Reference IRIS for UNIX 2024.1.2
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