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[S] Multicomp question

To: S-news@wubios.wustl.edu, ripley@stats.ox.ac.uk
Subject: [S] Multicomp question
From: Thomas Early <Thomas.A.Early@trw.com>
Date: Tue, 14 Dec 1999 09:53:53 -0500
Organization: TRW
Sender: owner-s-news@wubios.wustl.edu
Hi S-Plus users group,

I'm doing an experiment that requires the use of the multicomp routine
in S-Plus.
I just want to know what the output of the routine represents.  I seem
to have three distinct parts. Reproduced below is some sample output.
The output indicates the confidence intervals for the treatments in my
data set.  So the V2-V3 for example represents the confidence interval
about the mean difference between the V2 and V3 treatments.  Futher down

in the output, I found lines like the below,

   V2-2 -4.68e+003 2.38e+003  -1.37e+004   4.38e+003

I don't know what V2-2 means in the beginning of the line?  Still futher

down the result set I found lines like

   1-2  5.03e+003 3.51e+003  -8.34e+003   1.84e+004

What does the 1-2 in the beginning of the line mean?  The documentation
does not say.

BTW, I'm using S-Plus version 4.5 Release 2 on Windows-NT.

Thanks S-Group,

Tom

############## Sample Output below #################

95 % simultaneous confidence intervals for specified
linear combinations, by the Sidak method

critical point: 3.8114
response variable: treatment

intervals excluding 0 are flagged by '****'

          Estimate Std.Error Lower Bound Upper Bound
  V2-V3 -3.43e-010 3.05e-011  -4.59e-010  -2.27e-010 ****
  V2-V4 -3.70e-010 3.03e-011  -4.85e-010  -2.54e-010 ****
  V2-V5 -3.74e-010 3.25e-011  -4.98e-010  -2.50e-010 ****
  V2-V6 -3.61e-010 3.15e-011  -4.81e-010  -2.41e-010 ****
  V2-V7 -3.67e-010 3.15e-011  -4.87e-010  -2.47e-010 ****
  V2-V8 -3.62e-010 3.24e-011  -4.86e-010  -2.39e-010 ****
  V2-V9 -3.75e-010 3.36e-011  -5.03e-010  -2.47e-010 ****
 V2-V10 -3.75e-010 3.33e-011  -5.02e-010  -2.48e-010 ****
 V2-V11 -3.90e-010 3.38e-011  -5.19e-010  -2.62e-010 ****
 V2-V12 -3.78e-010 3.37e-011  -5.07e-010  -2.50e-010 ****
 V2-V13 -3.69e-010 3.21e-011  -4.91e-010  -2.47e-010 ****
 V2-V14 -3.71e-010 3.26e-011  -4.95e-010  -2.47e-010 ****
   V2-1 -9.71e+003 2.38e+003  -1.88e+004  -6.54e+002 ****
   V2-2 -4.68e+003 2.38e+003  -1.37e+004   4.38e+003
   V2-3 -1.20e+004 2.38e+003  -2.11e+004  -2.98e+003 ****
   V2-4 -6.21e+003 2.38e+003  -1.53e+004   2.85e+003
   V2-5  9.91e+003 2.38e+003   8.55e+002   1.90e+004 ****
   V2-6  1.53e+004 2.38e+003   6.20e+003   2.43e+004 ****
   V2-7 -6.60e+003 2.38e+003  -1.57e+004   2.46e+003
   V2-8 -6.46e+003 2.38e+003  -1.55e+004   2.60e+003
   V2-9 -1.24e+004 2.38e+003  -2.14e+004  -3.30e+003 ****
                .
                .
                .
                .
   1-2  5.03e+003 3.51e+003  -8.34e+003   1.84e+004
    1-3 -2.33e+003 3.51e+003  -1.57e+004   1.10e+004
    1-4  3.50e+003 3.51e+003  -9.87e+003   1.69e+004
    1-5  1.96e+004 3.51e+003   6.25e+003   3.30e+004 ****
    1-6  2.50e+004 3.51e+003   1.16e+004   3.83e+004 ****
    1-7  3.11e+003 3.51e+003  -1.03e+004   1.65e+004
    1-8  3.25e+003 3.51e+003  -1.01e+004   1.66e+004
    1-9 -2.65e+003 3.51e+003  -1.60e+004   1.07e+004
   1-10  3.31e+003 3.51e+003  -1.01e+004   1.67e+004
   1-11  1.37e+004 3.51e+003   3.64e+002   2.71e+004 ****
   1-12  1.66e+004 3.51e+003   3.21e+003   3.00e+004 ****
   1-13  2.74e+004 3.51e+003   1.41e+004   4.08e+004 ****
    2-3 -7.36e+003 3.51e+003  -2.07e+004   6.02e+003
    2-4 -1.53e+003 3.51e+003  -1.49e+004   1.18e+004
    2-5  1.46e+004 3.51e+003   1.22e+003   2.80e+004 ****
    2-6  1.99e+004 3.51e+003   6.56e+003   3.33e+004 ****
    2-7 -1.92e+003 3.51e+003  -1.53e+004   1.15e+004
    2-8 -1.78e+003 3.51e+003  -1.52e+004   1.16e+004
    2-9 -7.68e+003 3.51e+003  -2.11e+004   5.69e+003
   2-10 -1.72e+003 3.51e+003  -1.51e+004   1.17e+004
   2-11  8.71e+003 3.51e+003  -4.67e+003   2.21e+004
   2-12  1.16e+004 3.51e+003  -1.82e+003   2.49e+004
   2-13  2.24e+004 3.51e+003   9.04e+003   3.58e+004 ****
    3-4  5.83e+003 3.51e+003  -7.55e+003   1.92e+004
    3-5  2.19e+004 3.51e+003   8.57e+003   3.53e+004 ****
    3-6  2.73e+004 3.51e+003   1.39e+004   4.07e+004 ****
    3-7  5.44e+003 3.51e+003  -7.93e+003   1.88e+004
    3-8  5.58e+003 3.51e+003  -7.79e+003   1.90e+004
    3-9 -3.22e+002 3.51e+003  -1.37e+004   1.31e+004
   3-10  5.64e+003 3.51e+003  -7.73e+003   1.90e+004
   3-11  1.61e+004 3.51e+003   2.69e+003   2.94e+004 ****
   3-12  1.89e+004 3.51e+003   5.54e+003   3.23e+004 ****
   3-13  2.98e+004 3.51e+003   1.64e+004   4.31e+004 ****





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