From mboxrd@z Thu Jan 1 00:00:00 1970 X-Spam-Checker-Version: SpamAssassin 3.4.4 (2020-01-24) on polar.synack.me X-Spam-Level: X-Spam-Status: No, score=-1.9 required=5.0 tests=BAYES_00,FREEMAIL_FROM autolearn=ham autolearn_force=no version=3.4.4 X-Google-Thread: a07f3367d7,e5a48ab332277b89 X-Google-Attributes: gida07f3367d7,public,usenet X-Google-NewGroupId: yes X-Google-Language: ENGLISH,ASCII Path: g2news1.google.com!postnews.google.com!z35g2000yqd.googlegroups.com!not-for-mail From: jonathan Newsgroups: comp.lang.ada Subject: Re: TIOBE index Date: Mon, 8 Mar 2010 14:04:46 -0800 (PST) Organization: http://groups.google.com Message-ID: <18ea4641-de31-4d6d-be6a-66b8e2f2b742@z35g2000yqd.googlegroups.com> References: NNTP-Posting-Host: 143.117.23.233 Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable X-Trace: posting.google.com 1268085887 27964 127.0.0.1 (8 Mar 2010 22:04:47 GMT) X-Complaints-To: groups-abuse@google.com NNTP-Posting-Date: Mon, 8 Mar 2010 22:04:47 +0000 (UTC) Complaints-To: groups-abuse@google.com Injection-Info: z35g2000yqd.googlegroups.com; posting-host=143.117.23.233; posting-account=Jzt5lQoAAAB4PhTgRLOPGuTLd_K1LY-C User-Agent: G2/1.0 X-HTTP-UserAgent: Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.0.18) Gecko/2010021719 Iceweasel/3.0.6 (Debian-3.0.6-3),gzip(gfe),gzip(gfe) Xref: g2news1.google.com comp.lang.ada:9477 Date: 2010-03-08T14:04:46-08:00 List-Id: On Mar 8, 11:53=A0am, Gautier write-only wrote: > Hello, > > From time to time I'm looking at the TIOBE Programming Community Index > =A0http://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: > > =A0 Tiobe ranking > =A0 -------------- > =A0 Pascal =A00.603% > =A0 Fortran 0.563% > =A0 Ada =A0 =A0 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: > =A0http://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): > > =A0 =A0 =A0 =A0 Google =A0 =A0 Google Blogs =A0MSN =A0 =A0 =A0 =A0Yahoo! = =A0 =A0 =A0Wikipedia > YouTube > > ------------------------------------------------------------------ > Pascal =A02'020'000 =A025'027 =A0 =A0 =A0 =A03'170'000 =A025'200'000 =A01= '664 =A0 =A0 =A0232 > Fortran 1'510'000 =A011'768 =A0 =A0 =A0 =A01'640'000 =A07'900'000 =A0 949= =A0 =A0 =A0 =A0113 > Ada =A0 =A0 2'140'000 =A0110'310 =A0 =A0 =A0 2'670'000 =A049'300'000 =A01= '764 =A0 =A0 =A070 > > 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: > =A0 Pascal =A00.603% > =A0 Fortran 0.294% > =A0 Ada =A0 =A0 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 Still can't draw any real conclusions about the software industry from this data point, but it least it is not meaningless. Jonathan