The CPM Procedure

HEADNODE Statement

HEADNODE variable ;

HEAD variable ;

TO variable ;

The HEADNODE statement is required when data are input in AOA format. This statement specifies the variable in the Activity data set that contains the name of the node on the head of an arrow in the project network. This node is identified with the event that signals the end of an activity on that arc. The variable specified can be either a numeric or character variable because the procedure treats this variable symbolically. Each node must be uniquely defined.