VarP Function
SQL Server 2000
VarP Function
Returns the population variance of all non-null values of the specified expression.
Syntax
VarP(Expression, Scope)
Parameters
- Expression
- (Integer or Float) The expression on which to perform the aggregation. The expression cannot contain aggregate functions.
- Scope
- (String) The name of a dataset, grouping, or data region that contains the report items to which to apply the aggregate function. If Scope is specified, the aggregate function applies to all data in the dataset, grouping, or data region. For more information about the Scope parameter, see Aggregate Functions.
Return Type
Returns a Float. Returns a Decimal for decimal expressions and a Double for all other expressions.
Example
The following code example provides a population variance of line item totals in the Order grouping or data region:
VarP(Fields!LineTotal.Value, "Order")
