>> 1. When I try to follow the tutorial >> (http://www.pymvpa.org/examples.html), I get an error right at the >> beginning, when reading in the sample dataset (bold.nii.gz). The error > which particular example runs out of memory? > > we run daily tests on a box with 3GB -- never had a problem with > examples -- example dataset shipped within pymvpa is quite tiny > > are you running example on full example dataset or just the small one > which is shipped within pymvpa?
I'm running with the full example dataset. The small one seems to work. I will buy more RAM and try again with the larger set. >> 2. If I ever manage to get the dataset imported, I'd like to run a PCA >> analysis, then write out the component voxels again to a NiFTI-1 >> formatted file. I can't find any information on writing out data >> again, except as a Python object. Is this even possible? If not, I'd >> appreciate any nudges towards a solution. > > look at map2Nifti -- it can digest a numpy array of proper > dimensionality (PCA components or projections, depending which way you > do it) should have a matching dimension > Excellent thank you. I will try that. _______________________________________________ Pkg-ExpPsy-PyMVPA mailing list [email protected] http://lists.alioth.debian.org/mailman/listinfo/pkg-exppsy-pymvpa
