From bug-request at octave dot org Wed Dec  7 15:52:39 2005
Subject: bugfix for anova.m
From: "John W. Eaton" <jwe at bevo dot che dot wisc dot edu>
To: D Goel <deego at gnufans dot org>
Cc: KH <Kurt dot Hornik at ci dot tuwien dot ac dot at>, bug@octave.org
Date: Wed, 7 Dec 2005 16:52:18 -0500

On  7-Dec-2005, D Goel wrote:

| --- anova.m	2005-12-07 16:38:38.322759384 -0500
| +++ tmpanovamy.m	2005-12-07 16:40:15.681958536 -0500
|  at @ -80,7 +80,7 @@
|  
|    endif
|  
| -  total_mean = mean (group_mean);
| +  total_mean = mean(y(:));
|    SSB = sum (group_count .* (group_mean - total_mean) .^ 2);
|    SST = sumsq (reshape (y, n, 1) - total_mean);
|    SSW = SST - SSB;

I think this change was already made, back in May:

  2005-05-24  John W. Eaton  <jwe at octave dot org>

	  * statistics/tests/anova.m: Use mean (y(:)) to compute total_mean.

Thanks,

jwe



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