[SystemSafety] Another question

[Derek M Jones]

Tim,

> Apologies for the data post.

References to data are always welcome.
Please don't stop posting them, when the questions arise.

There are a lots of made up numbers out there:
http://shape-of-code.coding-guidelines.com/2016/05/11/applied-software-measurement-shame-about-the-made-up-numbers/

so it pays to be skeptical when people bandy about numbers
as 'evidence' for their point of view.

> And thanks to Derek and Paul for pointing it out.
> 
> Will do better research next time.
> 
> Tim
> 
> 
> On 20.09.2018 15:59, Paul Sherwood wrote:
>> On 2018-09-20 14:54, Derek M Jones wrote:
>>>> Just some Data:
>>>>
>>>> https://ntrs.nasa.gov/archive/nasa/casi.ntrs.nasa.gov/20100036670.pdf
>>>
>>> Mostly just made-up example data pulled out of a hat.
>>>
>>> I have tracked back all the cited references and they
>>> disappear into the mists of time.  Somewhere, somebody noted
>>> down some numbers for one or more projects, they got amalgamated
>>> and shuffled around on the speaking circuit.
>>
>> Yup... there's a thorough debunking of various claims in The
>> Leprechauns Of Software Engineering [1] ...well worth a read IMO
>>
>> https://leanpub.com/leprechauns
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-- 
Derek M. Jones           Software analysis
tel: +44 (0)1252 520667  blog:shape-of-code.coding-guidelines.com