Dear group,
when using the qdec gui interface, I was wondering where the "button" or the likes is to change the estimation from its standard doss to dods (different osnet, different slope). I believe I can do this somewhere on the qdec gui without changing to mri_glmfit?
DOSS is not working in QDEC. It should be disabled in 5.3 doug
On 05/05/2014 09:39 AM, Anna Jonsson wrote:
Dear group,
when using the qdec gui interface, I was wondering where the "button" or the likes is to change the estimation from its standard doss to dods (different osnet, different slope). I believe I can do this somewhere on the qdec gui without changing to mri_glmfit?
Freesurfer mailing list Freesurfer@nmr.mgh.harvard.edu https://mail.nmr.mgh.harvard.edu/mailman/listinfo/freesurfer
thank you. I have another question; I am getting several significant clusters for group, when correcting for multiple comparisons and total brain size and age, but when I enter sex in, msot of these disappear, but i do not understand whether this is a power issue (as qdec automatically incorporates the interaction effect) or whether this is actually a gender effect? Because the group*gender interaction is non-significant, and the main effect of gender does not have a significant effect of any of the cortical measures either? Please, any help would be greatly appreciated.
Kind Wishes,
Anna
On Mon, May 5, 2014 at 8:39 PM, Douglas N Greve greve@nmr.mgh.harvard.eduwrote:
DOSS is not working in QDEC. It should be disabled in 5.3 doug
On 05/05/2014 09:39 AM, Anna Jonsson wrote:
Dear group,
when using the qdec gui interface, I was wondering where the "button" or the likes is to change the estimation from its standard doss to dods (different osnet, different slope). I believe I can do this somewhere on the qdec gui without changing to mri_glmfit?
Freesurfer mailing list Freesurfer@nmr.mgh.harvard.edu https://mail.nmr.mgh.harvard.edu/mailman/listinfo/freesurfer
-- Douglas N. Greve, Ph.D. MGH-NMR Center greve@nmr.mgh.harvard.edu Phone Number: 617-724-2358 Fax: 617-726-7422
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If you don't see an effect of gender, then it is ok to leave it out of the model. I could be affecting the power as you suspect. doug
On 5/6/14 3:55 AM, Anna Jonsson wrote:
thank you. I have another question; I am getting several significant clusters for group, when correcting for multiple comparisons and total brain size and age, but when I enter sex in, msot of these disappear, but i do not understand whether this is a power issue (as qdec automatically incorporates the interaction effect) or whether this is actually a gender effect? Because the group*gender interaction is non-significant, and the main effect of gender does not have a significant effect of any of the cortical measures either? Please, any help would be greatly appreciated.
Kind Wishes,
Anna
On Mon, May 5, 2014 at 8:39 PM, Douglas N Greve <greve@nmr.mgh.harvard.edu mailto:greve@nmr.mgh.harvard.edu> wrote:
DOSS is not working in QDEC. It should be disabled in 5.3 doug On 05/05/2014 09:39 AM, Anna Jonsson wrote: > Dear group, > > when using the qdec gui interface, I was wondering where the "button" > or the likes is to change the estimation from its standard doss to > dods (different osnet, different slope). I believe I can do this > somewhere on the qdec gui without changing to mri_glmfit? > > > _______________________________________________ > Freesurfer mailing list > Freesurfer@nmr.mgh.harvard.edu <mailto:Freesurfer@nmr.mgh.harvard.edu> > https://mail.nmr.mgh.harvard.edu/mailman/listinfo/freesurfer -- Douglas N. Greve, Ph.D. MGH-NMR Center greve@nmr.mgh.harvard.edu <mailto:greve@nmr.mgh.harvard.edu> Phone Number: 617-724-2358 <tel:617-724-2358> Fax: 617-726-7422 <tel:617-726-7422> Bugs: surfer.nmr.mgh.harvard.edu/fswiki/BugReporting <http://surfer.nmr.mgh.harvard.edu/fswiki/BugReporting> FileDrop: https://gate.nmr.mgh.harvard.edu/filedrop2 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/ _______________________________________________ Freesurfer mailing list Freesurfer@nmr.mgh.harvard.edu <mailto:Freesurfer@nmr.mgh.harvard.edu> https://mail.nmr.mgh.harvard.edu/mailman/listinfo/freesurfer 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.
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