Can you send me the Xtmp.mat file from the outputdirectory? doug On 02/28/2013 07:34 AM, Katie Bettencourt wrote: > Still looking for an answer why my analysis gives me an ill > conditioned error. I have run this analysis fine before, with a > timewindow of 22, but when I tried to change the time window to 34, > selxavg3-sess gives me an ill conditioned error on some of the runs > (each run is being analyzed separately), but not all of them. All the > runs are identical except for the order the conditions appear in, but > each condition appears an equal number of times and for an equal > duration in each run. There is nothing specific about the runs that > fail or the subjects that they fail in (for some subjects all 8 runs > work fine, others lost between 1-3 runs to this error). I'm doing > svm with this data so I need all conditions to be analyzed correctly. > > Any help? > > Katie > > On Mon, Feb 25, 2013 at 10:23 AM, Katie Bettencourt > <k...@wjh.harvard.edu <mailto:k...@wjh.harvard.edu>> wrote: > > No, each condition has at least 3 instances of it in each run. > The runs are all set up exactly the same, just the order changes, > so there is nothing different about the runs that work than the > runs that fail, and again, all of these runs worked fine with the > exact same paradigm files and set up, but only the timewindow at > 22 instead of 34. > > Katie > > > On Mon, Feb 25, 2013 at 10:21 AM, Douglas N Greve > <gr...@nmr.mgh.harvard.edu <mailto:gr...@nmr.mgh.harvard.edu>> wrote: > > Hi katie, I'm guessing that you have one event type that only > has one event? If so, you can do what Sebastian suggests, but > you won't be able to look at contrasts related to that condition. > doug > > > > On 02/19/2013 03:24 PM, Katie Bettencourt wrote: > > I am having a problem with selxavg3-sess (for FS 4.5) > where it is giving me an Ill-conditioned error that I > can't trace out. > > I have 8 runs that I am running separately (same basic > analysis for each run, but each run gets it's own analysis > for svm purposes). Originally for this subject, I created > an analysis and it ran fine for all 8 runs. I went back > and changed the timewindow on the analysis (and only the > timewindow) and now, while it runs fine for 7 or the 8 > runs, one of them gives me an ill conditioned error during > selxavg3-sess. I double checked the paradigm file and all > conditions are listed, and the only change between when > the analysis ran fine and when it gave me this error was > changing the timewindow. The mkanalysis commands I used > both times are listed below. > > Original analysis (worked fine): > foreach r (1 2 3 4 5 6 7 8) > mkanalysis-sess -analysis grating_nodist_ld_run${r} -TR 2 > -paradigm grating.dat -designtype event-related -funcstem > fmc -motioncor -runlistfile nodist_run${r}.txt -inorm > -tpexclude tpexclude.dat -nconditions 3 -timewindow 22 > -TER 2 -noautostimdur -polyfit 2 > end > > new analysis (illconditioned on one run only): > foreach r (1 2 3 4 5 6 7 8) > mkanalysis-sess -analysis grating_nodist_ld_34_run${r} -TR > 2 -paradigm grating.dat -designtype event-related > -funcstem fmc -motioncor -runlistfile nodist_run${r}.txt > -inorm -tpexclude tpexclude.dat -nconditions 3 -timewindow > 34 -TER 2 -noautostimdur -polyfit 2 > end > > Katie > > > -- > Douglas N. Greve, Ph.D. > MGH-NMR Center > gr...@nmr.mgh.harvard.edu <mailto:gr...@nmr.mgh.harvard.edu> > Phone Number: 617-724-2358 > Fax: 617-726-7422 > > Bugs: surfer.nmr.mgh.harvard.edu/fswiki/BugReporting > <http://surfer.nmr.mgh.harvard.edu/fswiki/BugReporting> > FileDrop: www.nmr.mgh.harvard.edu/facility/filedrop/index.html > <http://www.nmr.mgh.harvard.edu/facility/filedrop/index.html> > Outgoing: > ftp://surfer.nmr.mgh.harvard.edu/transfer/outgoing/flat/greve/ > > > > > The information in this e-mail is intended only for the person > to whom it is > addressed. If you believe this e-mail was sent to you in error > and the e-mail > contains patient information, please contact the Partners > Compliance HelpLine at > http://www.partners.org/complianceline . If the e-mail was > sent to you in error > but does not contain patient information, please contact the > sender and properly > dispose of the e-mail. > > >
-- Douglas N. Greve, Ph.D. MGH-NMR Center gr...@nmr.mgh.harvard.edu Phone Number: 617-724-2358 Fax: 617-726-7422 Bugs: surfer.nmr.mgh.harvard.edu/fswiki/BugReporting FileDrop: www.nmr.mgh.harvard.edu/facility/filedrop/index.html Outgoing: ftp://surfer.nmr.mgh.harvard.edu/transfer/outgoing/flat/greve/ _______________________________________________ Freesurfer mailing list Freesurfer@nmr.mgh.harvard.edu https://mail.nmr.mgh.harvard.edu/mailman/listinfo/freesurfer
