From: reid@decwrl.dec.com (Brian Reid)
Subject: TOP 40 NEWSGROUPS IN ORDER BY TRAFFIC VOLUME (AUG 92)
Originator: reid@torrey.pa.dec.com
Keywords: arbitron, statistics
Organization: DEC Network Systems Laboratory, Palo Alto, Calif., USA
Date: Thu, 3 Sep 92 05:09:54 GMT

TOP 40 NEWSGROUPS IN ORDER BY TRAFFIC VOLUME
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 150000  3190   52%  1535 64487.3     7%  0.62   5.9%  alt.binaries.pictures.erotica
   2  95000  2057   54%   767 31116.3     1%  0.48   3.8%  alt.binaries.pictures.misc
   3  38000   819   75%   348 15323.6     1%  0.83   1.5%  comp.binaries.os2
   4    140     3    2%  8733 12960.0     0%  6.50   0.0%  ncar.weather
   5  13000   278   43%  2917 11866.5     0%  1.10   0.5%  bionet.molbio.genbank.updates
   6  59000  1274   46%   255  9934.2     0%  0.21   2.4%  alt.binaries.pictures.tasteless
   7  53000  1153   68%  3663  8860.0    23%  0.31   2.1%  talk.abortion
   8  49000  1050   52%   247  8803.7     3%  0.26   1.9%  alt.binaries.sounds.misc
   9  67000  1442   44%   213  8751.1    52%  0.16   2.7%  alt.binaries.pictures
  10  30000   645   77%   208  8497.3     0%  0.60   1.2%  comp.binaries.apple2
  11  48000  1030   74%  4162  8010.8     0%  0.34   1.9%  rec.arts.tv.soaps
  12 110000  2432   70%  3107  7984.2    62%  0.14   4.5%  talk.politics.misc
  13  81000  1745   74%  3800  7136.9     5%  0.18   3.2%  soc.motss
  14  64000  1376   76%  3963  6667.9     2%  0.22   2.6%  rec.motorcycles
  15  32000   700   68%  2012  6618.4     0%  0.38   1.3%  soc.culture.vietnamese
  16 130000  2719   72%  2795  6127.6    13%  0.09   5.0%  soc.culture.indian
  17  10000   220   22%  2221  5586.7    64%  0.35   0.4%  alt.politics.bush
  18  38000   829   79%   249  5528.0     0%  0.32   1.5%  comp.mail.maps
  19 260000  5561   67%  2047  5205.5    33%  0.04  10.3%  alt.sex
  20  52000  1120   69%  1644  5180.2    22%  0.19   2.1%  talk.religion.misc
  21  88000  1893   79%   120  5175.3     0%  0.13   3.5%  comp.binaries.mac
  22  20000   440   66%   701  5160.4     4%  0.47   0.8%  misc.activism.progressive
  23  56000  1215   75%  2706  5158.0     2%  0.19   2.3%  rec.sport.baseball
  24 120000  2514   77%  2618  5147.0     7%  0.09   4.7%  rec.arts.movies
  25  34000   727   77%  2381  5140.0    14%  0.32   1.3%  comp.sys.amiga.advocacy
  26 150000  3151   64%  1459  4985.9     3%  0.06   5.8%  alt.sex.bondage
  27  33000   703   56%  2350  4835.6     1%  0.22   1.3%  comp.os.linux
  28  86000  1866   72%  2232  4819.6    15%  0.11   3.5%  soc.culture.china
  29    420     9    4%    90  4772.1     0%  1.40   0.0%  de.alt.binaries.sounds
  30 160000  3431   71%  3606  4611.7    12%  0.06   6.4%  talk.bizarre
  31  36000   769   69%  2393  4407.4     1%  0.23   1.4%  rec.sport.football.pro
  32  41000   887   71%  1081  4402.2    73%  0.21   1.6%  soc.culture.turkish
  33  83000  1791   77%  2428  4309.3     3%  0.11   3.3%  rec.bicycles
  34 110000  2305   73%  2484  4300.1     2%  0.08   4.3%  soc.singles
  35  57000  1223   49%  2991  4232.0     5%  0.10   2.3%  comp.sys.ibm.pc.games
  36 130000  2881   77%   158  4153.7     9%  0.07   5.3%  alt.sources
  37 120000  2693   81%    83  4150.3     0%  0.08   5.0%  comp.binaries.ibm.pc
  38  14000   303   25%  1445  4123.8    48%  0.20   0.6%  alt.politics.clinton
  39  25000   542   52%   813  4092.9    30%  0.23   1.0%  alt.fan.rush-limbaugh
  40  72000  1562   78%  1963  3982.9     3%  0.12   2.9%  misc.kids
Xref: sparky news.lists:383 news.groups:17567 news.misc:1603 news.answers:2782