There has been a considerable amout of discussion about code metrics (e.g.: What is

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Asked: May 16, 20262026-05-16T01:13:29+00:00 2026-05-16T01:13:29+00:00

There has been a considerable amout of discussion about code metrics (e.g.: What is

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There has been a considerable amout of discussion about code metrics (e.g.: What is the fascination with code metrics?). I (as a software developer) am really interested in those metrics because I think that they can help one to write better code. At least they are helpful when it comes to finding areas of code that need some refactoring.

However, what I would like to know is the following. Are there some evaluations of those source code metrics that prove that they really do correlate with the bug-rate or the maintainability of a method. For example: Do methods with a very high cyclomatic-complexity really introduce more bugs than methods with a low complexity? Or do methods with a high difficulty level (Halstead) really need much more amount to maintain them than methods with a low one?

Maybe someone knows about some reliable research in this area.

Thanks a lot!