Relay-Version: version B 2.10 5/3/83; site utzoo.UUCP
Path: utzoo!mnetor!seismo!brl-adm!rutgers!ames!ucbcad!ucbvax!decwrl!reid
From: reid@decwrl.UUCP (Brian Reid)
Newsgroups: news.lists,news.groups
Subject: TOP 40 NEWSGROUPS IN ORDER BY PROPAGATION (DEC 86)
Message-ID: <7316@decwrl.DEC.COM>
Date: Thu, 1-Jan-87 11:10:17 EST
Article-I.D.: decwrl.7316
Posted: Thu Jan  1 11:10:17 1987
Date-Received: Thu, 1-Jan-87 22:14:08 EST
Sender: reid@decwrl.DEC.COM
Organization: DEC Western Research Laboratory, Palo Alto, Calif., USA
Lines: 54
Approved: reid@decwrl.UUCP
Xref: mnetor news.lists:26 news.groups:112

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 20000  1652   97%     1   42.0     0   0.01   13.9%  mod.sources
  2  9900   835   97%    64  167.3     6   0.07    7.0%  mod.recipes
  3  7700   650   97%    15   36.7     2   0.02    5.5%  mod.std.unix
  4  7100   597   97%   167  310.1    23   0.18    5.0%  mod.protocols.tcp-ip
  5  6100   509   97%    35   68.1     5   0.04    4.3%  sci.math
  6  4900   412   97%     2   46.6     0   0.04    3.5%  mod.protocols.kermit
  7  4000   333   97%     1    4.6     0   0.00    2.8%  mod.os
  8 11000   949   96%     8   18.7     0   0.01    8.0%  mod.newprod
  9 10000   882   96%     2   24.6     0   0.01    7.4%  mod.newslists
 10 10000   879   96%    57  111.0     5   0.04    7.4%  mod.ai
 11  9500   796   96%   191  308.3    20   0.13    6.7%  mod.computers.vax
 12  9300   784   96%     7   12.1     0   0.01    6.6%  mod.computers.workstations
 13  9100   766   96%    11   22.1     1   0.01    6.4%  mod.compilers
 14  8600   720   96%    18  463.8     2   0.22    6.1%  mod.mac
 15  8400   702   96%     4  132.7     0   0.06    5.9%  mod.computers.ibm-pc
 16  8200   690   96%     1    1.6     0   0.00    5.8%  mod.computers.laser-printers
 17  7600   640   96%    81 2590.7    10   1.40    5.4%  mod.mac.binaries
 18  7600   639   96%     1   11.0     0   0.01    5.4%  mod.mac.sources
 19  7200   605   96%    72  135.1    10   0.08    5.1%  mod.telecom
 20  7200   604   96%     4   26.1     0   0.01    5.1%  mod.graphics
 21  4100   344   96%    22   48.4     5   0.05    2.9%  mod.protocols.appletalk
 22  4000   340   96%     1    1.0     0   0.00    2.9%  mod.protocols
 23  3800   316   96%    11   23.2     3   0.02    2.7%  sci.math.symbolic
 24  3100   258   96%     7    8.5     2   0.01    2.2%  sci.math.stat
 25  2900   244   96%     1   24.7     0   0.03    2.1%  mod.os.os9
 26  2100   180   96%     1    3.1     0   0.01    1.5%  mod.computers.ridge
 27  8300   697   95%    10   40.7     1   0.02    5.9%  mod.os.unix
 28  6200   525   95%     1   58.6     0   0.04    4.4%  mod.computers.sun
 29  6000   503   95%    42   82.9     7   0.06    4.2%  sci.electronics
 30  5400   455   95%     1    0.9     0   0.00    3.8%  mod.std.c
 31  3900   326   95%    12   14.3     3   0.01    2.7%  mod.computers.apollo
 32 28000  2334   94%    95 2355.2     3   0.34   19.6%  net.sources
 33 25000  2113   94%     1    9.6     0   0.00   17.8%  mod.announce
 34  8100   683   94%    47   54.9     5   0.03    5.7%  misc.wanted
 35  7100   600   94%    11  181.2     1   0.10    5.0%  mod.risks
 36  3200   273   94%     8   14.1     2   0.02    2.3%  mod.computers.pyramid
 37  3000   248   94%     8   35.6     2   0.05    2.1%  mod.computers.masscomp
 38 15000  1265   93%    47 1101.4     3   0.29   10.6%  net.sources.games
 39 14000  1164   93%    11   51.4     0   0.01    9.8%  net.sources.bugs
 40 12000  1022   93%    60  155.4     5   0.05    8.6%  misc.jobs