[pymvpa] IndexError from gnbsearchlight analysis

Yaroslav Halchenko debian at onerussian.com
Tue Jul 26 02:24:50 UTC 2011


please share the output of mvpa.wtf() which would answer 
"version" question

because with rc4 (although seems to be reported as rc3 :-/ ) and current
master everything seems to be ok on my box:

In [1]: from mvpa.suite import *
h5load/usr/lib/pymodules/python2.6/nose/plugins/manager.py:405: UserWarning: Module paste was already imported from None, but /usr/lib/python2.6/dist-packages is being added to sys.path
  import pkg_resources

In [2]: dataset = h5load('att.gzipped.hdf5')

In [3]: print dataset.summary()
Dataset: 72x821 at float32, <sa: chunks,targets,time_coords,time_indices>, <fa: voxel_indices>, <a: imghdr,mapper,voxel_dim,voxel_eldim>
stats: mean=-5.2752e-08 std=0.999996 var=0.999993 min=-3.02555 max=3.05246

Counts of targets in each chunk:
  chunks\targets attf attm
                  ---  ---
       0.0         6    6
       1.0         6    6
       2.0         6    6
       3.0         6    6
       4.0         6    6
       5.0         6    6

Summary for targets across chunks
  targets mean std min max #chunks
   attf     6   0   6   6     6
   attm     6   0   6   6     6

Summary for chunks across targets
  chunks mean std min max #targets
    0      6   0   6   6      2
    1      6   0   6   6      2
    2      6   0   6   6      2
    3      6   0   6   6      2
    4      6   0   6   6      2
    5      6   0   6   6      2
Sequence statistics for 72 entries from set ['attf', 'attm']
Counter-balance table for orders up to 2:
Targets/Order O1     |  O2     |
    attf:     30  6  |  24 12  |
    attm:      5 30  |  10 24  |
Correlations: min=-1 max=1 mean=-0.014 sum(abs)=35

In [4]: gnbsl = sphere_gnbsearchlight(GNB(),NFoldPartitioner(),radius=3,postproc=mean_sample())

In [5]: slmap = gnbsl(dataset)

In [6]: print slmap.summary()
Dataset: 1x821 at float64, <a: mapper> stats: mean=0.473186 std=0.0686585 var=0.00471399 min=0.319444 max=0.652778


In [7]: print mvpa.__version__
0.6.0~rc3

In [8]: print mvpa.wtf()
Current date:   2011-07-25 22:19
PyMVPA:
 Version:       0.6.0~rc3
 Hash:          fd0f2809300cc25e81ee21a3a876d00d524402c1
 Path:          /usr/lib/pymodules/python2.6/mvpa/__init__.pyc
 Version control (GIT):
 GIT information could not be obtained due "/usr/lib/pymodules/python2.6/mvpa/.. is not under GIT"
SYSTEM:
 OS:            posix Linux 2.6.38-2-amd64 #1 SMP Thu Apr 7 04:28:07 UTC 2011
 Distribution:  debian/wheezy/sid
EXTERNALS:
 Present:       atlas_fsl, atlas_pymvpa, cPickle
....

On Mon, 25 Jul 2011, Yaroslav Halchenko wrote:

> ah -- that is why mailman refused first to post -- kind you shared the
> 1MB dataset  with the list ;)  ok -- will have a look

> On Tue, 26 Jul 2011, Zhen Zonglei wrote:

> >    Thanks very much, Yarik.

> >    The fellowing the summary of dataset. For hdf5 file, please see
> >    attachments.
-- 
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Yaroslav Halchenko                 www.ohloh.net/accounts/yarikoptic



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