Evaluation method of software workload
Common software workload evaluation methods are: Empirical method (Delphi method, analogy method), model method (one-dimensional linear relationship, multivariate linear relationship, one-dimensional nonlinear relationship, multivariate nonlinear relationship)
The process of estimating Delphi methods
Advantages and Disadvantages of Delphi method
Pros: 1. Can produce very accurate results 2. Suitable for any size product.
Cons: 1. Relies on a few experts 2. To consume more time 3. There may be common prejudice.
Pert Sizing Evaluation Method
Pert Sizing is a weighted average method that can be used to estimate the size, workload, and cost of a software project, and in estimating each task, the first estimates are given in the best, probable, pessimistic three cases: a,m,b
Then calculate the expected value with the following formula, expected value = (a+4*m+b)/6
the advantages and disadvantages of the PERT sizing evaluation method : 1. It is an effective pre-control method. 2. Enhance the overall concept and acceptance of the plan. 3. Make control work more productive and effective. Disadvantage: It does not apply to all planning and control projects, and its application areas are more restrictive. The project that applies the PERT method must have the following conditions: 1, the work process of the project can be accurately described in advance; 2, the whole process of work is divided into relatively independent activities, 3, to be able to estimate the time and resources of each activity more accurately beforehand.
What are the evaluation methods for software workloads?