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SOFTWARE ESTIMATION BEST PRACTICES, TOOLS, & TECHNIQUES by Murali Chemuturi

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APPROACHES TO SOFTWARE ESTIMATION

Software estimation has four aspects to it, namely:

  1. Software size estimation

  2. Software development effort estimation

  3. Software development cost estimation

  4. Software development schedule estimation

Cost estimation and schedule estimation flow from the project’s estimated effort. Effort can either flow from software size or be estimated independently.

There are multiple approaches to software estimation, which can be classified into two categories. The first category has to do with management’s attitude toward software estimation, which can be broken down into the following two distinct approaches:

  1. Ad hoc approach ...

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