help > RE: conditions: matrix exceeds dimensions-problem
Jul 28, 2012 02:07 AM | RE: conditions: matrix exceeds dimensions-problem Hi Alfonso It is indeed the case that not all conditions are present in all subjects. my experiment consisted of three session, but unfortunaltey some patients were scanned only twice (event-related paradigm, slow, big interstimulus-intervals). My intention was to model a) task-related conn. and b) try to remove the task-effect as described in the neuroimage paper. to do so, i have to import all subjects, despite slight differences in the paradigm. if this doesn't work, i will exclude two or three pats.Originally posted by Alfonso Nieto-Castanon: Hi
Niels,
Re-reading your previous post it seems that perhaps not all of the conditions are present in all of the subjects? If this is the case, could you please tell me a bit more about your design? (what your conditions and subject sample are) I am thinking that perhaps you are attempting to model as within-subject effects (e.g. conditions) something that might be better modeled as between-subject effects (e.g. second-level regressors)... Best Alfonso Originally posted by Niels Foit: Hi Alphonso
thank you for the patch, unfortunately it did not solve the problem! any other suggestions? cheers niels
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| Threaded View |
| Title | Author | Date |
| conditions: matrix exceeds dimensions-problem | Niels Foit | Jul 24, 2012 |
| RE: conditions: matrix exceeds dimensions-problem | Alfonso Nieto-Castanon | Jul 24, 2012 |
| RE: conditions: matrix exceeds dimensions-problem | Niels Foit | Jul 24, 2012 |
| RE: conditions: matrix exceeds dimensions-problem | Alfonso Nieto-Castanon | Jul 25, 2012 |
| RE: conditions: matrix exceeds dimensions-problem | Niels Foit | Jul 26, 2012 |
| RE: conditions: matrix exceeds dimensions-problem | Alfonso Nieto-Castanon | Jul 26, 2012 |
| RE: conditions: matrix exceeds dimensions-problem | Niels Foit | Jul 28, 2012 |
| RE: conditions: matrix exceeds dimensions-problem | Alfonso Nieto-Castanon | Jul 30, 2012 |
