![]() ![]() In our example, those would be: booking a flight and accommodation, researching interesting places to visit in the area, doing the math on how much money you need, getting days off, packing, agreeing with your travel companions on the dates and destination, and choosing the destination. So, you’ll need to list all the necessary activities. We’ll follow the template described above to illustrate the example of going on vacation. They are activities that are independent of one another, happen simultaneously, and are also known as concurrent tasks. Sometimes, you'll see two diverging lines coming out of one node and reaching two different nodes. The numbers written by the arrows display the amount of estimated time it takes to complete the tasks from one milestone to the other. For example, you can't start creating a website before getting all the necessary information and files from the client. The lines that connect the nodes are in the form of arrows so they can indicate the order in which the dependent tasks must be completed. The nodes are connected by lines that represent the tasks that need to be completed so that you can hop from one milestone to the next. The "boxes" represent project milestones and are also called nodes. PERT charts are a little bit more complicated and can look confusing at first, so let's try to break down the most common dilemmas! Gantt charts are linear, and you'll notice that one task is dependent on the other, creating a chain of events that lead to the project finish line. We already compared PERT and Gantt charts, but we need to put them one beside the other once more. Pessimistic time - the longest time in which the activity can be completedĪfter you have identified the time estimates, you can calculate the expected time for each activity by using the following weighted average:Įxpected time = ( Optimistic + 4 x Most likely + Pessimistic) / 6.The most likely time - the completion time that has the highest probability. ![]()
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