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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")
See Also

Aggregate Functions

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