Re: Ratio of new bugs per fix

2003-08-27 Thread Alan Cox
On Gwe, 2003-08-22 at 17:22, John Ford wrote: Does the Open Source community have any similar study/statistic? Just curious. We get peer review which helps spot breakages caused by fixes. I don't have good stats on exact numbers. More importantly though Open Source means *you* get to choose if

Ratio of new bugs per fix

2003-08-23 Thread Rod Furey
(on average) every three lines of code modified to fix a bug introduces a new bug Hmmm... when I was last involved in this (1983/4) the ratio was one bug per ten lines of code. I leave observations about what this means to others. Rod

Re: Ratio of new bugs per fix

2003-08-23 Thread Henry Schaffer
(on average) every three lines of code modified to fix a bug introduces a new bug This doesn't seem right. Hmmm... when I was last involved in this (1983/4) the ratio was one bug per ten lines of code. I leave observations about what this means to others. It may mean that APL is the best

Ratio of new bugs per fix

2003-08-22 Thread John Ford
Quote from a NG post by a Microsoft techie, explaining why a certain bug will not be fixed in their .NET IDE: Many people don't know this, but the software industry has studied bugs and fixing bugs and has determined that (on average) every three lines of code modified to fix a bug