[Corpora-List] AntConc 3.2.2 released for Windows and Mac OS X

[William Fletcher]

One way to avoid the problem of assigning different ranks to 
items with the same frequency is to use "shared ranks" 
instead, so that all items with the same frequency have the 
same rank.  

Shared rank is the mean of the lowest index (=position in 
list) and the highest index of items with the same frequency.

In Michal's example all items would have the rank 500.5 
(1 + 1000) / 2

Bill Fletcher


---- Original message ----
>Date: Wed, 13 Apr 2011 10:28:38 +0100
>From: corpora-bounces at uib.no (on behalf of Mike Scott 
<mike at lexically.net>)
>Subject: Re: [Corpora-List] AntConc 3.2.2 released for 
Windows and Mac OS X  
>To: corpora at uib.no
>
>Congratulations, Laurence
>
>Just an observation -- I believe that lists in Antconc, like 
in 
>WordSmith, do not attempt to supply rankings in frequency 
lists since as 
>Michal points out words with equal rankings get different 
numbers. 
>Instead the numbers merely reflect the item's position in the 
list, 
>which may vary according to details of the sort system.
>
>Cheers -- Mike
>
>On 13/04/2011 03:46, Michal Ptaszynski wrote:
>> Great news Laurence,
>>
>> I have two issues that haven't been either noticed or 
perhaps required 
>> in Antconc.
>> The first is that Antconc does not read files with file 
names 
>> containing 2-bite characters (even after changing the 
encoding in 
>> Global Settings). Since you work in Japan, didn't you have 
any 
>> problems with that?
>> The second is calculating ranks of words. I noticed that 
words that 
>> have the same occurrence (hit-rate) have subsequent ranks 
(which 
>> probably comes from alphabetical sorting). This means that 
if there is 
>> 1000 words of only 1 occurrence per each, the word starting 
with "Aa" 
>> will have rank = 1, and word starting with "Zz" will have 
rank = 1000, 
>> although statistically they should be of the same rank.
>> Do you consider the above as issues or is it irrelevant in 
your research?
>>
>> Best,
>> -- 
>> Michal PTASZYNSKI
>> Institute of Engineering, Hokkai-Gakuen University
>> High-Tech Research Center, Intelligent Techniques 
Laboratory 6,
>> Minami 26, Nishi 11, Chuo-ku, Sapporo, 064-0926, Japan
>> ptaszynski at hgu.jp, ptaszynski at ieee.org
>> TEL: +81-11-841-1161 (ext.: 7796), FAX: +81-11-551-2951
>> http://arakilab.media.eng.hokudai.ac.jp/~ptaszynski/
>>
>> -------------------------------------------
>> Od: Laurence Anthony <anthony0122 at gmail.com>
>> Do: Corpora list <corpora at hd.uib.no>
>> Data: Tue, 12 Apr 2011 20:55:28 +0900
>> Temat: [Corpora-List] AntConc 3.2.2 released for Windows 
and Mac OS X
>>
>> Dear Corpora Members,
>>
>> I'm happy to announce a new version of the freeware 
software AntConc
>> (3.2.2) for all versions of Windows and Macintosh OS X 
(tested on OS X
>> 10.4.11):
>>
>> http://www.antlab.sci.waseda.ac.jp/software.html
>>
>> I created this a few years back but did not release it 
officially
>> because I had a few initial reports that it did not launch 
properly.
>> I've tested it for the past few months without problems, so 
I hope you
>> all find it useful.
>>
>> I've also started a dedicated AntConc discussion list, 
which I
>> encourage users to join:
>> http://groups.google.com/group/antconc
>>
>> Best wishes,
>>
>> Laurence Anthony
>> Center for English Language Education in Science and 
Engineering (CELESE)
>> Waseda University, Japan
>> http://www.antlab.sci.waseda.ac.jp/
>>
>>
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>
>-- 
>Mike Scott
>
>***
>If you publish research which uses WordSmith, do let me know 
so I can include it at
>http://www.lexically.net/wordsmith/corpus_linguistics_links/p
apers_using_wordsmith.htm
>***
>
>Aston University and Lexical Analysis Software Ltd.
>Room NX01
>Aston University
>Aston Triangle, Birmingham, B4 7ET
>0121 204 3809
>
>www.lexically.net
>
>
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