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Software Metrics, 3rd Edition
book

Software Metrics, 3rd Edition

by Norman Fenton, James Bieman
October 2014
Intermediate to advanced content levelIntermediate to advanced
617 pages
19h 10m
English
CRC Press
Content preview from Software Metrics, 3rd Edition
The Basics of Measurement 65
By similar argument, we can show that the statement “Program B is faster
than both Programs A and C” is meaningful even though it is false.
However, consider the statement “Program A is more than twice as fast as
Program C.” This statement is not meaningful. To see why, dene acceptable
measures M and M’ as follows:
M(A) = 3; M(B) = 2; M(C) = 1
M(A) = 3; M(B) = 2.5; M(C) = 2
Using scale M the statement is true, since 3 = M(A) > 2M(C) = 2. However,
using M’ the statement is false. Although the statement seems meaningful
given our understanding of speed, the sophistication of the notion twice as
fast was not ...
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Publisher Resources

ISBN: 9781439838228