Gets or sets the variable that acts as a key to the VariableCollection.

Namespace: Extreme.Statistics
Assembly: Extreme.Numerics (Extreme.Numerics)

Syntax

Visual Basic (Declaration)
Public Property ActiveKeyVariable As Variable
C#
public Variable ActiveKeyVariable { get; set; }
C++
public:
Variable^ ActiveKeyVariable {
	Variable^ get ();
	void set (Variable^ value);
}

Value

The KeyVariable that acts as a key into the collection.

Remarks

A VariableCollection that represents a data set has at least one member variable that acts as a key into the collection. If no variable is supplied, a default KeyVariable is created that uses the row indexes as keys.

Exceptions

ExceptionCondition
ArgumentNullExceptionvalue is nullNothingnullptr.