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The precedence diagram method (PDM) is a tool for scheduling activities in a project plan. It is a method of constructing a project schedule network diagram that uses boxes, referred to as nodes, to represent activities and connects them with arrows that show the dependencies. It is also called the activity-on-node (AON) method. * Critical tasks, noncritical tasks, and slack time * Shows the relationship of the tasks to each other * Allows for what-if, worst-case, best-case and most likely scenario Key elements include determining predecessors and defining attributes such as * early start date.. * late start date * early finish date * late finish date * duration * WBS reference == See also == * Arrow diagramming method * Project network * Critical-path method * Gantt chart * Program evaluation and review technique 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Precedence diagram method」の詳細全文を読む スポンサード リンク
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