From: reid@decwrl.dec.com (Brian Reid)
Newsgroups: news.lists,news.groups
Subject: TOP 40 NEWSGROUPS IN ORDER BY AMOUNT OF CROSSPOSTING (DEC 92)
Date: 1 Jan 1993 20:42:16 GMT
Organization: DEC Network Systems Laboratory, Palo Alto, Calif., USA
NNTP-Posting-Host: torrey.pa.dec.com
Keywords: arbitron, statistics
Originator: reid@torrey.pa.dec.com

TOP 40 NEWSGROUPS IN ORDER BY AMOUNT OF CROSSPOSTING
A companion posting explains the statistics and the algorithms that produced
them.

        +-- Estimated total number of people who read the group, worldwide.
        |     +-- Actual number of readers in sampled population
        |     |     +-- Propagation: how many sites receive this group at all
        |     |     |      +-- Recent traffic (messages per month)
        |     |     |      |      +-- Recent traffic (kilobytes per month)
        |     |     |      |      |      +-- Crossposting percentage
        |     |     |      |      |      |    +-- Cost ratio: $US/month/rdr
        |     |     |      |      |      |    |      +-- Share: % of newsrders
        |     |     |      |      |      |    |      |   who read this group.
        V     V     V      V      V      V    V      V
   1  93000  2594   91%    84   840.5   100%  0.02   5.5%  news.announce.newgroups 
   2  12000   348   56%    25    45.2    92%  0.00   0.7%  alt.industrial 
   3  18000   493   54%   157   505.0    90%  0.03   1.1%  alt.politics.elections 
   4  14000   401   60%   335  1014.2    87%  0.08   0.9%  alt.discrimination 
   5  55000  1520   76%    72   141.7    85%  0.00   3.2%  news.admin 
   6  14000   380   39%    71   300.6    84%  0.02   0.8%  comp.os.linux.announce 
   7  15000   429   43%    38   107.2    83%  0.01   0.9%  alt.books.reviews 
   8  38000  1064   50%   303   734.9    82%  0.02   2.3%  alt.abortion.inequity 
   9  29000   800   79%   100   277.1    80%  0.01   1.7%  misc.headlines 
  10  21000   580   70%   339   989.3    79%  0.06   1.2%  talk.politics.theory 
  11  27000   755   86%    38   100.5    78%  0.01   1.6%  comp.mail.headers 
  12  15000   404   58%   175   709.8    78%  0.05   0.9%  alt.society.civil-liberty 
  13  22000   599   82%    33    58.4    77%  0.00   1.3%  comp.lsi 
  14  32000   880   80%    26    61.5    76%  0.00   1.9%  comp.admin.policy 
  15  22000   608   69%   368   828.3    75%  0.05   1.3%  talk.religion.newage 
  16   2500    71   29%    34    37.4    72%  0.01   0.2%  alt.who.is.bob 
  17  33000   916   76%   264   766.4    71%  0.03   2.0%  misc.education 
  18  23000   640   71%   243   856.6    69%  0.05   1.4%  talk.philosophy.misc 
  19  16000   435   10%    38   149.7    69%  0.00   0.9%  ut.general 
  20   7700   214   18%   465  1154.8    67%  0.05   0.5%  can.general 
  21  25000   684   83%   242   582.7    65%  0.04   1.5%  comp.std.internat 
  22  35000   980   74%   379  1031.6    63%  0.04   2.1%  soc.college 
  23  63000  1761   73%  1778  5320.4    62%  0.11   3.8%  talk.politics.misc 
  24  19000   517   58%  1624  4841.1    62%  0.27   1.1%  alt.rush-limbaugh 
  25  39000  1090   66%   187   403.1    60%  0.01   2.3%  alt.censorship 
  26  23000   649   68%   285   835.8    60%  0.05   1.4%  soc.culture.canada 
  27  27000   739   84%    12    23.1    58%  0.00   1.6%  comp.windows.news 
  28  22000   599   62%   204   654.8    58%  0.03   1.3%  alt.comp.acad-freedom.talk 
  29  11000   313   15%    12    18.0    58%  0.00   0.7%  ny.general 
  30  83000  2324   69%   303  1545.3    57%  0.02   5.0%  alt.activism 
  31  41000  1134   76%   271   679.0    57%  0.02   2.4%  soc.men 
  32  40000  1105   69%   642  6001.3    57%  0.19   2.4%  alt.conspiracy 
  33   2500    71   11%    21    34.4    55%  0.00   0.2%  de.comp.gnu 
  34   2100    58    9%    33    39.7    55%  0.00   0.1%  ba.market 
  35  48000  1336   87%    13    25.7    54%  0.00   2.8%  comp.sources.d 
  36  14000   392   54%    72   255.5    54%  0.02   0.8%  alt.dads-rights 
  37   3300    91   29%    13    43.5    54%  0.01   0.2%  sci.chem.organomet 
  38  24000   667   83%    28    50.3    52%  0.00   1.4%  comp.bugs.sys5 
  39  17000   482   53%    49    75.1    52%  0.00   1.0%  alt.books.technical 
  40  58000  1625   91%    72   192.6    51%  0.01   3.5%  news.misc