The required n attribute is the number of Id elements in this array.
Source
<xs:element name="Ids" type="ArrayReferenceType"><xs:annotation><xs:documentation>The Ids element is an array of QIF ids of measurements.</xs:documentation></xs:annotation></xs:element>
The required n attribute is the number of exclusions in the list.
Source
<xs:element name="Exclusions" type="ExclusionsIdType" minOccurs="0"><xs:annotation><xs:documentation>The optional Exclusions element defines a list of QIF ids in the Ids array that is to be excluded from a statistical evaluation with reasons.</xs:documentation></xs:annotation></xs:element>
<xs:complexType name="StatsArrayIdType"><xs:annotation><xs:documentation>The StatsArrayIdType defines the set of QIF ids of measurements used in a statistical evaluation.</xs:documentation></xs:annotation><xs:sequence><xs:element name="Ids" type="ArrayReferenceType"><xs:annotation><xs:documentation>The Ids element is an array of QIF ids of measurements.</xs:documentation></xs:annotation></xs:element><xs:element name="Exclusions" type="ExclusionsIdType" minOccurs="0"><xs:annotation><xs:documentation>The optional Exclusions element defines a list of QIF ids in the Ids array that is to be excluded from a statistical evaluation with reasons.</xs:documentation></xs:annotation></xs:element></xs:sequence></xs:complexType>