[pymvpa] Rapid ER design
debian at onerussian.com
Mon Mar 30 01:12:02 UTC 2015
just a quick one:
On Sun, 29 Mar 2015, Jeffrey Bloch wrote:
> 1.A A PyMVPAA knows that my nifti file has 179 volumes, so it keeps
> getting mad when I try to create an attribute that has fewer items (say,
> a condition for each of the 110 events).A How can I make the software
> forget about the volumes and just focus on the timepoints of my
> events?A The original attribute file (with just chunks and condition)
> has to be 179 items long, but 110 doesn't fit into 179 very nicely!A :)
> You cannot make it forget. But you do not have to work with the original
> time series and model your events to get parameter estimates.
> A A A A *** How can I do that in PyMVPA?
so it pretty much boils down to have model='hrf' to instruct eventrelated_dataset to perform GLM modeling groups of trials as EVs (condition_attr parameter to define such groups).
Yaroslav O. Halchenko, Ph.D.
http://neuro.debian.net http://www.pymvpa.org http://www.fail2ban.org
Research Scientist, 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
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