The ElementStatistics(xmlTree) command returns the frequency of occurrences of each element type that appears in the XML element xmlTree.

A set of equations is returned indicating the number of each element type name that occurs in the XML element represented by the xmlTree. Each equation has the form , where elementName is the name of the element type, and elementFrequency is a non-negative integer that indicates the number of elements of the corresponding type that occur in the element represented by xmlTree.