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Article #469

TOP 40 NEWSGROUPS IN ORDER BY PROPAGATION (JAN 87)

#469
From: Brian Reid
Date: Sun, 01 Feb 1987 11:14
54 lines
4392 bytes
TOP 40 NEWSGROUPS IN ORDER BY PROPAGATION
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)
       |     |     |      |     |      +-- Participation ratio
       |     |     |      |     |      |    +-- Cost ratio: $US/month/reader
       |     |     |      |     |      |    |       +-- Share: % of newsreaders
       |     |     |      |     |      |    |       |   who read this group.
       V     V     V      V     V      V    V       V
  1 10000   822   97%     2   24.4     0   0.01    7.4%  mod.newslists
  2  8200   645   97%    38   75.1     4   0.04    5.8%  mod.std.unix
  3  6800   540   97%   164  265.4    24   0.16    4.9%  mod.protocols.tcp-ip
  4 15000  1147   96%    41 1754.5     2   0.47   10.3%  mod.sources
  5 11000   835   96%     4    8.2     0   0.00    7.5%  mod.newprod
  6 10000   825   96%    60  157.2     6   0.06    7.4%  mod.recipes
  7  9900   779   96%   518  834.3    52   0.34    7.0%  mod.computers.vax
  8  9800   772   96%     5  308.7     0   0.13    6.9%  mod.computers.ibm-pc
  9  9200   730   96%    78  122.9     8   0.05    6.6%  mod.telecom
 10  8800   692   96%    22  525.7     2   0.24    6.2%  mod.mac
 11  8400   662   96%    14   25.2     1   0.01    6.0%  mod.computers.laser-printers
 12  7800   612   96%    15   33.4     2   0.02    5.5%  mod.computers.workstations
 13  7600   601   96%    21  791.7     2   0.42    5.4%  mod.mac.binaries
 14  7000   552   96%   111  177.1    15   0.10    5.0%  sci.math
 15  5600   442   96%     2    3.7     0   0.00    4.0%  mod.protocols
 16  5400   429   96%    17   40.4     3   0.03    3.9%  mod.comp-soc
 17  5100   404   96%     7  223.7     1   0.18    3.6%  mod.mac.sources
 18  5000   393   96%     4   98.5     0   0.08    3.5%  mod.protocols.kermit
 19  4700   371   96%    10   18.4     2   0.02    3.3%  sci.math.symbolic
 20  4300   338   96%    11   23.4     2   0.02    3.0%  sci.math.stat
 21 18000  1401   95%     1    2.1     0   0.00   12.6%  mod.announce
 22 15000  1191   95%     4   14.6     0   0.00   10.7%  mod.conferences
 23 10000   821   95%    88  214.9     8   0.09    7.4%  mod.ai
 24  8800   695   95%    37   79.5     4   0.04    6.2%  mod.os
 25  8100   642   95%     1    1.3     0   0.00    5.8%  mod.os.unix
 26  7000   553   95%     1    3.8     0   0.00    5.0%  mod.graphics
 27  6700   529   95%    15   23.5     2   0.01    4.8%  mod.compilers
 28  6700   528   95%   117  154.4    17   0.09    4.7%  sci.electronics
 29  3900   311   95%    15   15.3     4   0.02    2.8%  mod.protocols.appletalk
 30  3700   294   95%    11   12.3     3   0.01    2.6%  mod.computers.68k
 31  3600   283   95%    44   57.2    12   0.06    2.5%  mod.computers.apollo
 32  3100   243   95%     8   11.0     2   0.01    2.2%  mod.computers.masscomp
 33  2200   177   95%     1    6.4     0   0.01    1.6%  mod.os.os9
 34  6300   497   94%     4  141.8     0   0.09    4.5%  mod.computers.sun
 35  4800   382   94%    35   45.6     7   0.04    3.4%  mod.amiga
 36  2600   204   94%     4   22.4     1   0.03    1.8%  mod.computers.pyramid
 37 11000   850   93%    62   65.4     5   0.02    7.6%  misc.wanted
 38 10000   803   93%    37   56.2     3   0.02    7.2%  news.misc
 39  6500   517   93%    28   85.7     4   0.05    4.6%  sci.misc
 40  6400   503   93%   252  498.0    39   0.32    4.5%  sci.med
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From: reid@decwrl.UUCP (Brian Reid)
Newsgroups: mod.newslists,news.lists,news.groups
Subject: TOP 40 NEWSGROUPS IN ORDER BY PROPAGATION (JAN 87)
Message-ID: <7918@decwrl.DEC.COM>
Date: Sun, 1-Feb-87 06:14:09 EST
Article-I.D.: decwrl.7918
Posted: Sun Feb  1 06:14:09 1987
Date-Received: Sun, 1-Feb-87 22:58:39 EST
Sender: news@decwrl.DEC.COM
Organization: DEC Western Research Laboratory, Palo Alto, Calif., USA
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Approved: reid@decwrl.UUCP