[Page 789 ( continued )] - activities
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in a CPM/PERT project network, the branches reflecting project operations -
- activity slack
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in a CPM/PERT network, the amount of time that the start of an activity can be delayed without exceeding the critical path project time -
- adjusted exponential smoothing
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the exponential smoothing forecasting technique adjusted for trend changes and seasonal patterns -
- analogue simulation
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an original physical system is replaced with a analogous physical system that is easier to test and manipulate -
- analytical
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containing or pertaining to mathematical analysis using formulas or equations -
- a priori probability
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one of the two types of objective probabilities; given a set of outcomes for an activity, it is the ratio of the number of desired outcomes to the total number of outcomes -
- arrival rate
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the number of arrivals at a service facility (within a queuing system) during a specified period of time -
- artificial variable
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a variable that is added to an = or constraint so that initial solutions in a linear programming problem can be obtained at the origin -
- assignment model
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a type of linear programming model similar to a transportation model, except that the supply at each source is limited to one unit and the demand at each destination is limited to one unit -
- average error
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the cumulative error, averaged over the number of time periods -
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