From: "Hal E. Fulton" <hal9000@...>
Date: 2003-08-21T04:50:19+09:00
Subject: Re: Punctuation as noise

----- Original Message ----- 
From: "Paul Brannan" <pbrannan@atdesk.com>
To: "ruby-talk ML" <ruby-talk@ruby-lang.org>
Sent: Wednesday, August 20, 2003 2:40 PM
Subject: Re: Punctuation as noise


> Hmm, I just noticed that the script counts _'s as puntuation, and thus
> has a significant bias toward camelCase.  I changed the script to count
> them as whitespace instead, and here are the results:

Oh, thanks, have to regard that as a bug.

Hmm, if we cheated and considered @ alphanumeric, it would help 
my theory even more. :)

But my theory doesn't appear to be really borne out anyway. I'm
sure a statistician would laugh.

I expected significant, noticeable differences between Ruby 
and Perl and C and C++. Don't really see those here.

Hal

 
> On Thu, Aug 21, 2003 at 04:32:42AM +0900, Paul Brannan wrote:
> > On 27K lines of integration test code (Ruby), I get:
> >   Signal/noise: 458705/119801 =  3.8
>     Signal/noise: 458705/90543 =  5.1
> 
> > On 10K lines of C++ extension code that the above tests test:
> >   Signal/noise: 163676/40803 =  4.0
>     Signal/noise: 163676/26609 =  6.2
> 
> > On 1.3K lines of unit test code (C++), I get:
> >   Signal/noise: 28549/8335 =  3.4
>     Signal/noise: 28549/6064 =  4.7
> 
> > On 544 lines of unit test code (Perl), I get:
> >   Signal/noise: 9365/4350 =  2.2
>     Signal/noise: 9365/3710 =  2.5
> 
> > On 4K lines of vim scripts that I regularly use, I get:
> >   Signal/noise: 500/73 =  6.8
>     Signal/noise: 107184/21843 =  4.9
> (I think the original result I gave here was wrong)
> 
> > On the 63K lines of Ruby code that come with 1.8:
> >   Signal/noise: 912431/218858 =  4.2
>     Signal/noise: 912431/200519 =  4.6
> 
> > On the 60K lines of C extension code that comes with 1.8:
> >   Signal/noise: 823062/251038 =  3.3
>     Signal/noise: 823062/211752 =  3.9
> 
> > On the 71K lines of C code that make up the Ruby 1.8 interpreter:
> >   Signal/noise: 904042/313624 =  2.9
>     Signal/noise: 904042/266126 =  3.4
> 
> >   punc  = '\',./`=[]\\;~!@#$%^&*()_+{}|:"<>?-'
> >   white = " \t\r\n"
>     punc  = '\',./`=[]\\;~!@#$%^&*()+{}|:"<>?-'
>     white = " \t\r\n_"
> 
> Paul
> 
>