TIOBE index
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From: Gautier write-only on 9 Mar 2010 15:48 OK, first embryo here: http://sf.net/projects/lang-index/ Already working for some engines :-) G.
From: Gautier write-only on 11 Mar 2010 08:03 > Did I miss something ? Yes I did! The request was: x+programming instead of: +"x programming" There are of course fewer results (except for MSN!) Google Google MSN / Bing Yahoo! Wiki- YouTube | Blogs | | -pedia | --------------------------------------------------- Pascal 97'100 1'388 25'200'000 341'000 87 27 Fortran 38'100 458 3'830'000 147'000 50 3 Ada 30'700 338 29'100'000 124'000 97 5 .... and the ranking, assuming Pascal is "correct", is Pascal 0.603% Fortran 0.218% (from 0.563%, way off!) Ada 0.369% (from 0.376%, very close) Probably a lesson of this story is that it is a very uncertain exercise. Gautier
From: Marco on 12 Mar 2010 08:28
On Mar 8, 3:04 pm, jonathan <johns...(a)googlemail.com> wrote: > On Mar 8, 11:53 am, Gautier write-only <gautier_niou...(a)hotmail.com> > wrote: > > > > > Hello, > > > From time to time I'm looking at the TIOBE Programming Community Index > > http://www.tiobe.com/index.php/content/paperinfo/tpci/index.html > > The results, for long, are not very glorious for Ada, but I told > > myself if was like it was. > > For instance the latest ranking for Pascal, Fortran and Ada are: > > > Tiobe ranking > > -------------- > > Pascal 0.603% > > Fortran 0.563% > > Ada 0.376% > > > Now, I spent a few minutes to look at the figures myself, following > > the famous citation "The only statistics you can trust are those you > > falsified yourself". > > So I made the search engine queries as described there: > > http://www.tiobe.com/index.php/content/paperinfo/tpci/tpci_definition... > > including 1-year time windowing when available. > > Here are the results (the simple queries without time windowing give > > similar results): > > > Google Google Blogs MSN Yahoo! Wikipedia > > YouTube > > > ------------------------------------------------------------------ > > Pascal 2'020'000 25'027 3'170'000 25'200'000 1'664 232 > > Fortran 1'510'000 11'768 1'640'000 7'900'000 949 113 > > Ada 2'140'000 110'310 2'670'000 49'300'000 1'764 70 > > > With the weights being 23% for each engine, except YouTube with 7%, it > > is obviously impossible to have Ada's ranking that is lower than > > Fortran's and even than Pascal's. > > Funny thing: the weights sum up to more than 100%, so don't forget to > > divide by the sum of weights! > > If you take for instance Pascal's ranking as a reference, the rankings > > would be actually the following: > > Pascal 0.603% > > Fortran 0.294% > > Ada 0.668% <- uh-oh, almost the "A" category... > > Thanks Gautier ... I hadn't realized how silly > the TIOBE index is until you explained how it works. > Another data point: > > http://www.blackducksoftware.com/oss/projects#languageos When Assembler was listed quite high (when is the last time you used a OSS project written in assembler!) I noticed this: "broken it down by language using source lines of code." with SLOC it needs to be normalized between languages for example assign the factor 1.0 to C and have other factors based from this one. "Effective lines of code represent a metric independent of code and language style." I couldn't find any factor comparison tables on the WWW. |