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IBM® SPSS® Amos™ 28

Draws a double-headed arrow.

Syntax

covariance = pd.DiagramDrawCovariance()

covariance = pd.DiagramDrawCovariance(theElement1, theElement2)

covariance = pd.DiagramDrawCovariance(variableName1, variableName2)

covariance = pd.DiagramDrawCovariance(elementNumber1, elementNumber2)

covariance = pd.DiagramDrawCovariance(x1, y1, x2, y2)

The DiagramDrawCovariance method syntax has the following parts:

Part

Description

covariance

The newly drawn covariance. (An object of type PDElement.)

theElement1, theElement2

(Of type PDElement) The two variables to be connected by a double-headed arrow.

variableName1, variableName2

(String) The names of the two variables to be connected by a double-headed arrow.

elementNumber1, elementNumber2

(Integer) Numbers that identify the two variables to be connected by a double-headed arrow. Objects in a path diagram are arbitrarily numbered beginning with 1.

x1, y1

(Single) Coordinates of one of the variables to be connected by a double-headed arrow. x1 is its distance in inches from the left edge of the path diagram. y1 is its distance in inches from the top edge.

x2, y2

(Single) Coordinates of one of the variables to be connected by a double-headed arrow. x2 is its distance in inches from the left edge of the path diagram. y2 is its distance in inches from the top edge.

Calling DiagramDrawCovariance with no arguments is equivalent to the menu selection Diagram Draw Covariance.

See Use the Amos Graphics classes to draw a path diagram

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