CSC/ECE 517 Fall 2010/ch6 6c sg: Difference between revisions
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Responding to change over following a plan. | Responding to change over following a plan. | ||
= Why do estimation = | |||
Planning is a very important aspect even for Agile projects. According to Stellman Greene , some say that estimation is a “Black Art”. What it means is that, the time required to finish a certain task varies from person to person. A certain individual might take a day to do a task that might only take a few hours of another’s time. Any estimate that is not close to the actual time required is a bad estimate. But a good formal estimation of cost and schedule improves the accuracy of the results and increases the likelihood of the project being delivered on time. | |||
= Traditional vs Agile approach = | |||
= References = | = References = | ||
*[http://agilemanifesto.org/] | *[http://agilemanifesto.org/] | ||
Revision as of 04:46, 17 November 2010
Introduction
Agile software development is a conceptual framework for undertaking software engineering projects. Agile methods try to overcome the weakness found in Classic software development methodologies such as the waterfall model by using an iterative and incremental development approach. Most of the agile methods try to minimize the risk involved by developing the software in smaller time frames also known as iterations. Each iteration lasts for around one – four weeks. The characteristics of Agile manifesto published in 2001, by a bunch of software engineers can be summarized as follows: ( link) Individuals and interactions over processes and tools Working software over comprehensive documentation Customer collaboration over contract negotiation Responding to change over following a plan.
Why do estimation
Planning is a very important aspect even for Agile projects. According to Stellman Greene , some say that estimation is a “Black Art”. What it means is that, the time required to finish a certain task varies from person to person. A certain individual might take a day to do a task that might only take a few hours of another’s time. Any estimate that is not close to the actual time required is a bad estimate. But a good formal estimation of cost and schedule improves the accuracy of the results and increases the likelihood of the project being delivered on time.