 		<!--- Get the sum of all salaries for employees in Australia --->
 		<cfset allAustralianSalaries = model("employee").sum(property="salary", include="country", where="name=''Australia''")>
 	'
-	categories="model-class" chapters="column-statistics" functions="average,count,maximum,minimum">
+	categories="model-class,statistics" chapters="column-statistics" functions="average,count,maximum,minimum">
 	<cfargument name="property" type="string" required="true" hint="Name of the property to get the sum for (has to be a property of a numeric data type).">
 	<cfargument name="where" type="string" required="false" default="" hint="See documentation for @average.">
 	<cfargument name="include" type="string" required="false" default="" hint="See documentation for @average.">

		<!--- Get the average salary for all employees --->
		<cfset avgSalary = model("employee").average("salary")>
	'
	categories="model-class" chapters="column-statistics" functions="count,maximum,minimum,sum">
	<cfargument name="property" type="string" required="true" hint="Name of the property to calculate the average for.">
	<cfargument name="where" type="string" required="false" default="" hint="An SQL fragment such as `lastName LIKE 'A%'` for example.">
	<cfargument name="include" type="string" required="false" default="" hint="Any associations that need to be included in the query.">

<!--- PUBLIC MODEL CLASS METHODS --->

<cffunction name="average" returntype="numeric" access="public" output="false"
	hint="Calculates the average value for a given property. Uses the SQL function `AVG`."
	examples=
