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From: reid@decwrl.dec.com (Brian Reid)
Newsgroups: news.lists,news.groups
Subject: BOTTOM 20 NEWSGROUPS IN ORDER BY POPULARITY (MAR 88)
Message-ID: <12421@decwrl.DEC.COM>
Date: 3 Apr 88 03:42:42 GMT
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Organization: DEC Western Research Laboratory, Palo Alto, Calif., USA
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Approved: reid@decwrl.dec.com

BOTTOM 20 NEWSGROUPS IN ORDER BY POPULARITY
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
297  1700   134   48%    24   24.1    14   0.05    0.7%  comp.theory.dynamic-sys
298  1700   134   16%    47   70.4    27   0.05    0.7%  comp.mail.sendmail
299  1700   130   87%    17   22.1    10   0.08    0.7%  rec.skydiving
300  1700   129   47%     7   11.5     4   0.02    0.7%  comp.unix.cray
301  1700   128   93%     5  206.8     3   0.77    0.7%  soc.politics.arms-d
302  1600   126   44%    60   76.8    37   0.14    0.7%  comp.lang.asm370
303  1600   122   52%   148  192.1    92   0.42    0.7%  comp.lang.rexx
304  1600   121   83%    54   97.0    33   0.34    0.7%  rec.equestrian
305  1600   120   82%     5   16.8     3   0.06    0.6%  rec.arts.int-fiction
306  1500   119   91%     2    2.6     1   0.01    0.6%  comp.sys.celerity
307  1500   114   46%     1    9.4     0   0.02    0.6%  comp.lang.visual
308  1100    88   96%     2    3.1     2   0.02    0.5%  comp.sys.ridge
309   990    76   49%     2    1.5     2   0.01    0.4%  comp.lang.lisp.franz
310   970    75   48%     2    3.6     2   0.01    0.4%  sci.philosophy.meta
311   740    57   50%     7   17.9     9   0.08    0.3%  soc.culture.esperanto
312   700    54   51%     1    1.3     2   0.01    0.3%  comp.ai.vision
313   600    46   48%     2    2.4     4   0.01    0.2%  comp.lang.clu
314   580    45   50%     2    3.2     4   0.02    0.2%  comp.os.v
315   470    36   48%     1    5.2     3   0.04    0.2%  comp.edu.composition
316   290    22   45%     1  102.7     4   1.10    0.1%  rec.mag.fsfnet