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Estimations in project management

Estimations in project management refer to the process of predicting the amount of time, resources, and effort that will be required to complete a project. Accurate estimations are important for effective project planning and management, as they help project managers to allocate resources effectively, set realistic deadlines, and track progress toward project goals.

There are several techniques that project managers can use to make estimations, including:

  1. Expert judgment: This involves soliciting input from subject matter experts or experienced team members who have knowledge of the tasks being estimated.

  2. Analogous estimation: This involves comparing the current project to a similar project that has been completed in the past and using the data from that project to make estimates for the current project.

  3. Three-point estimation: This involves making an optimistic, most likely, and pessimistic estimate for each task and then using statistical techniques to calculate a final estimate.

  4. Parametric estimation: This involves using statistical models and formulas to estimate the effort required for a project based on specific inputs, such as the number of lines of code to be written or the number of user stories to be completed.

It is important to note that estimations are never exact and will always involve some degree of uncertainty. As such, it is important for project managers to continually review and update their estimations as the project progresses and new information becomes available.

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