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And remember the Level 3 process area, Requirements Development?
Well, before you buy a tool, you are supposed to define the requirements of that
tool??”not buy a tool and then define the requirements that it happens to meet. We
have found that the best tools for collecting and storing metrics have been developed
by the organization itself. So, you??™ve got programmers??”use them. Get them
to develop a tool or tools. This approach also gets buy-in from them for some of the
process improvement activities. What??™s the best tool? Your brain. God gave you a
brain??”use it. Remember, not only do you need to collect the data??”you need to
analyze it as well. Your brain will certainly come in handy for that part.
There can be several organizational measurement repositories, or layers within
one overall repository, so as to not mix data that may lead to misleading numbers
and bad decisions. Repositories require years of historical data using the same,
normalized data, and reviews and analyses of these data. Training and practice
in this effort need to occur.


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