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Thread: metrics

  1. #1
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    metrics

    What is Defect Removal Efficiency? pls give one example

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    Re: metrics

    The question could have a lot of meanings to different people to narrow this down you should try to do 2 things.

    1. Do a search on your question (here and in other outside resources)

    2. Give your thoughts on the question and an example if you have one (to set the proper context for the question)

    This will allow others to give more relevant answers to the question.
    But in the end doesn't it all come down to BEER? Beer is the ultimate answer to all questions in the universe so yes the answer to your question is BEER.
    lgeisz

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    Re: metrics

    To me this could mean either the rate at which you are discovering the defects, the rate at which bugs are being fixed (throughput), or the average time from report to fix.
    Brent
    --------------------
    9 out of 10 people I prove wrong agree that I'm right. The other person is my wife.
    --------------------

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    Re: metrics

    Defect removal efficiency is defined as the reduction of defects that are present at the beginning of a removal operation by certain percentage. Cumulative defect removal efficiency is the percent of defect that have been removed by a series of defect removal operations based on previously injected defects.

    See this link for more details http://sern.ucalgary.ca/courses/seng...a.htm#chp3.2.8
    Life should NOT be a trip to the grave with the intention of arriving safely in an cool and well preserved body, but rather to skid in, chocolate in one hand, beer in the other, body wrecked, totally worn out and screaming WOO HOO what a ride!

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    Re: metrics

    For me this metrics also implies information regarding the defects you create removing other defects.

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    Re: metrics

    The definition of Defect Removal Efficiency(DRE)
    =The number of defects that are removed per time unit (hours/days/weeks)
    This metric indicates the efficiency of defect removal methods such as Reviews and Testing, as well as indirect measurement of the quality of the product.

    Remember there is something called Defect Removal Effectiveness also which measures the effectiveness of the defect removal method(e.g. Review and Testing). This is measured by no of defects removed by the prticular method divided by the total no of defects detected.

    Donot get confused between effectiveness and efficiency, they are two different metrics.

    Hope I am able to clarify your doubt.
    Regards
    Ananya
    Co-Founder and Director
    Adaptive Processes Consulting Pvt. Ltd.
    An ISO 9001:2000 Certified Company
    82/83, Borewell Road, Whitefield, Bangalore-66
    www.AdaptiveProcesses.com

    Experience World Class Proceses!!!

 

 

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