Halstead complexity measures: Difference between revisions

Revision as of 20:20, 5 March 2023

Revision as of 14:52, 12 April 2023

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{{short description|Software maintainability index}}

'''Halstead complexity measures''' are [[software metric]]s introduced by Maurice Howard Halstead in 1977<ref name="Elements of Software Science">{{cite book |author=Halstead, Maurice H. |title=Elements of Software Science |publisher=Elsevier North-Holland, Inc. |___location=Amsterdam |year=1977 |isbn=0-444-00205-7}}</ref> as part of his treatise on establishing an empirical science of software development.

Halstead made the observation that metrics of the software should reflect the implementation or expression of algorithms in different languages, but be independent of their execution on a specific platform.

These metrics are therefore computed statically from the code.

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Halstead's delivered bugs (B) is an estimate for the number of errors in the implementation.

*Number of delivered bugs : <math>B = {E^{2 \over 3} \over 3000}</math> or, more recently, <math>B = {V \over 3000}</math> is accepted {{Citation<ref needed|reasonname='By"Elements whom?'|date=Augustof Software Science" 2013}}/>.

== Example ==