[pymvpa] group-level analysis differences vs. pattern classification

Yaroslav Halchenko debian at onerussian.com
Mon Sep 23 19:47:11 UTC 2013

On Mon, 23 Sep 2013, Vadim Axel wrote:

>    BTW, if at first step I run conjunction analysis with contrasts A > C and
>    B >C; then, for ROIs resultant from�conjunction analysis�analysis, I �run
>    MVPA using the same data. Can I be accused by �N.Kriegeskorte in
>    double-dipping crime?

accused -- probably yes.  but I think you could defend it since here the
overlap map of A>C and B>C got nohow any information whether there
is a difference between A and B.  but that is just MHO.

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        

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