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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.
A schedule generated using the critical path techniques often is not realized precisely, as estimations are used to calculate times: if one mistake is made, the results of the analysis may change. This could cause an upset in the implementation of a project if the estimates are blindly believed, and if changes are not addressed promptly.
A Gantt chart showing three kinds of schedule dependencies (in red) and percent complete indications. Henry Gantt, inventor of the Gantt chart. A Gantt chart is a bar chart that illustrates a project schedule. [1] It was designed and popularized by Henry Gantt around the years 1910–1915.
The project schedule is a calendar that links the tasks to be done with the resources that will do them. It is the core of the project plan used to show the organization how the work will be done, commit people to the project, determine resource needs, and used as a kind of checklist to make sure that every task necessary is performed.
The Project Management Body of Knowledge (PMBOK) is a set of standard terminology and guidelines (a body of knowledge) for project management.The body of knowledge evolves over time and is presented in A Guide to the Project Management Body of Knowledge (PMBOK Guide), a book whose seventh edition was released in 2021.
Project Management Body of Knowledge (PMBOK) : The sum of knowledge within the profession of project management that is standardized by ISO. [ 6 ] Project management office : The Project management office in a business or professional enterprise is the department or group that defines and maintains the standards of process, generally related to ...
Specific names for the linear scheduling method have been adopted, such as: [1] Location-based scheduling (the preferred term in the book) Harmonograms; Line-of-balance; Flowline or flow line; Repetitive scheduling method; Vertical production method; Time-location matrix model; Time space scheduling method; Disturbance scheduling
The program evaluation and review technique (PERT) is a statistical tool used in project management, which was designed to analyze and represent the tasks involved in completing a given project. PERT was originally developed by Charles E. Clark for the United States Navy in 1958; it is commonly used in conjunction with the Critical Path Method ...