>    Adding on to that: we were debating whether to have the numbers
>    functionality in the primitive or just in the dedicated confusion plotting
>    function. What do you prefer?

imho it should be here in this one... it will also be used for RSA
distance/similarity matrix plots and in general as useful nearly for any  matshow.  Should then also get

numbers_fmt='%g',

option to allow augmenting how they are presented?

-- 
Yaroslav O. Halchenko, Ph.D.
http://neuro.debian.net http://www.pymvpa.org http://www.fail2ban.org
Senior Research Associate,     Psychological and Brain Sciences Dept.
Dartmouth College, 419 Moore Hall, Hinman Box 6207, Hanover, NH 03755
Phone: +1 (603) 646-9834                       Fax: +1 (603) 646-1419
WWW:   http://www.linkedin.com/in/yarik