I don't know what you are asking
On 10/6/17 9:24 AM, std...@virgilio.it wrote:
> Thank you very much.
> Where I should put 0 0 0 0 .25 .25 .25 .25?
> Which are the contrast reported below that I should modify?
>
> C1) gr1-gr2_intercept 1 -1 0 0 0 0 0 0
> C2 )gr1-gr2_slope 0 0 0 0 1 -1 0 0
> C3) gr1-gr3_intercept 1 0 -1 0 0 0 0 0
> C4) gr1-gr3_slope 0 0 0 0 1 0 -1 0
> C5) gr1-gr4_intercept 1 0 0 -1 0 0 0 0
> C6) gr1-gr4_slope 0 0 0 0 1 0 0 -1
> C7) gr2-gr3_intercept 0 1 -1 0 0 0 0 0
> C8) gr2-gr3_slope 0 0 0 0 0 1 -1 0
> C9) gr2-gr4_intercept 0 1 0 -1 0 0 0 0
> C10) gr2-gr4_slope 0 0 0 0 0 1 0 -1
> C11) gr3-gr4_intercept  0 0 1 -1 0 0 0 0
> C12) gr3-gr4_slope 0 0 0 0 0 0 1 -1
> C13) gr1+gr2-vs-gr3+gr4.intercept 0.5 0.5 -0.5 -0.5 0 0 0 0
> C14) gr1+gr2-vs-gr3+gr4.slope 0 0 0 0 0.5 0.5 -0.5 -0.5
> C15) group.effect.intercept
> 1 -1 0 0 0 0 0 0
> 1 0 -1 0 0 0 0 0
> 1 0 0 -1 0 0 0 0
> C16) group.effect.slope
> 0 0 0 0 1 -1 0 0
> 0 0 0 0 1 0 -1 0
> 0 0 0 0 1 0 0 -1
>
>
>> ----Messaggio originale----
>> Da: "Douglas Greve" <gr...@nmr.mgh.harvard.edu>
>> Data: 3-ott-2017 16.19
>> A: <freesurfer@nmr.mgh.harvard.edu>
>> Ogg: Re: [Freesurfer] R: Re: R: Re: R: Re: Map of covariance
>>
>> probably you want 0 0 0 0 .25 .25 .25 .25
>>
>>
>>
>> On 10/3/17 10:10 AM, std...@virgilio.it wrote:
>>> Many thank for your response.
>>> Claryfing my question on point 3,
>>> When I look in group.effect.slope, the map show the group difference
> removing
>>> the effect of the covariate.
>>> Conversely, I would to obtain the map reporting only the effect of
> covariate
>>> on dependent variable (functional connectivity).
>>> Is possible to look on it?
>>> Regards
>>> Stefano
>>>
>>>
>>>> ----Messaggio originale----
>>>> Da: "Douglas N Greve" <gr...@nmr.mgh.harvard.edu>
>>>> Data: 2-ott-2017 16.58
>>>> A: <freesurfer@nmr.mgh.harvard.edu>
>>>> Ogg: Re: [Freesurfer] R: Re: R: Re: Map of covariance
>>>>
>>>>
>>>>
>>>> On 10/01/2017 05:08 PM, std...@virgilio.it wrote:
>>>>> Hi,
>>>>> on 4 groups, 1 covariate (4GV1)
>>>>>
>>>>> I run mri_glmfit using the following .mtx
>>>>>
>>>>> C1) gr1-gr2_intercept 1 -1 0 0 0 0 0 0
>>>>> C2 )gr1-gr2_slope 0 0 0 0 1 -1 0 0
>>>>> C3) gr1-gr3_intercept 1 0 -1 0 0 0 0 0
>>>>> C4) gr1-gr3_slope 0 0 0 0 1 0 -1 0
>>>>> C5) gr1-gr4_intercept 1 0 0 -1 0 0 0 0
>>>>> C6) gr1-gr4_slope 0 0 0 0 1 0 -1 0
>>>> should be
>>>>
>>>> 0 0 0 0 1 0 0 -1
>>>>
>>>>> C7) gr2-gr3_intercept 0 1 -1 0 0 0 0 0
>>>>> C8) gr2-gr3_slope 0 0 0 0 0 1 -1 0
>>>>> C9) gr2-gr4_intercept 0 1 0 -1 0 0 0 0
>>>>> C10) gr2-gr4_slope 0 0 0 0 0 1 0 -1
>>>>> C11) gr3-gr4_intercept  0 0 1 -1 0 0 0 0
>>>>> C12) gr3-gr4_slope 0 0 0 0 0 0 1 -1
>>>>> C13) gr1+gr2-vs-gr3+gr4.intercept 0.5 0.5 -0.5 -0.5 0 0 0 0
>>>>> C14) gr1+gr2-vs-gr3+gr4.slope 0 0 0 0 0.5 0.5 -0.5 -0.5
>>>>> C15) group.effect.intercept
>>>>> 1 -1 0 0 0 0 0 0
>>>>> 1 0 -1 0 0 0 0 0
>>>>> 1 0 0 -1 0 0 0 0
>>>>> C16) group.effect.slope
>>>>> 0 0 0 0 1 -1 0 0
>>>>> 0 0 0 0 1 0 -1 0
>>>>> 0 0 0 0 1 0 0 -1
>>>>>
>>>>> Please:
>>>>> 1) Could you check whether the all .mtx are complete and corrected, in
>>>>> particular the gr1+gr2-vs-gr3+gr4.intercept and the gr1+gr2-vs-gr3+gr4.
>>> slope?
>>>> they look correct, except for the one i noted
>>>>> 2) Could you explain the meaning of:
>>>>> gr1+gr2-vs-gr3+gr4.slope - does the average slope of grp1 and grp2 differ
>>> from that of grp3 and 4
>>>>> gr1+gr2-vs-gr3+gr4.intercept - same
>>>>> group.effect.slope - interaction between group and covariate
>>>>> group.effect.intercept - is there an effect of group on the inercept
>>>>> 3) Which is the contrast identifying the effect of covariate on group
>>>>> differences?
>>>> not sure what you mean
>>>>> Thanks
>>>>>
>>>>> Best regards
>>>>>
>>>>>
>>>>> Stefano
>>>>>
>>>>>
>>>>>
>>>>>> ----Messaggio originale----
>>>>>> Da: "Douglas N Greve" <gr...@nmr.mgh.harvard.edu>
>>>>>> Data: 5-set-2017 22.59
>>>>>> A: <freesurfer@nmr.mgh.harvard.edu>
>>>>>> Ogg: Re: [Freesurfer] R: Re: Map of covariance
>>>>>>
>>>>>> you would need to create a contrast to look for the interaction. If you
>>>>>> have four gruops and 1 covariate, then it would be
>>>>>>
>>>>>> 0 0 0 0 1 -1 0 0
>>>>>>
>>>>>> 0 0 0 0 1 0 -1 0
>>>>>>
>>>>>> 0 0 0 0 1 0 0 -1
>>>>>>
>>>>>>
>>>>>>
>>>>>> On 09/05/2017 04:32 PM, std...@virgilio.it wrote:
>>>>>>> Hi,
>>>>>>> e.g., by considering two or more groups, I would like to map the
> clusters
>>>>>>> reporting the covariance between the functional connectivity or
> cortical
>>>>>>> thickness (dependent variable) and age, tacking in account the group
>>>>>>> differences.
>>>>>>> Instead, I'm not interested to map the group differences, taking in
>>> account
>>>>>>> the nuisance factors.
>>>>>>> Thanks,
>>>>>>> Stefano
>>>>>>>
>>>>>>>> ----Messaggio originale----
>>>>>>>> Da: "Douglas N Greve" <gr...@nmr.mgh.harvard.edu>
>>>>>>>> Data: 5-set-2017 18.12
>>>>>>>> A: <freesurfer@nmr.mgh.harvard.edu>
>>>>>>>> Ogg: Re: [Freesurfer] Map of covariance
>>>>>>>>
>>>>>>>> I don't understand what you are asking. can you elaborate?
>>>>>>>>
>>>>>>>>
>>>>>>>> On 08/30/2017 12:50 PM, std...@virgilio.it wrote:
>>>>>>>>> Hi list,
>>>>>>>>> by applying a design e.g. 4GV1 in fsgd I could assess the dependence
>>>>>>>>> of group differences taking in account the effect of covariate.
>>>>>>>>> Anyway, where I should look if I want assess the the map showing the
>>>>>>>>> clusters in which the dependent variable is associated to covariate,
>>>>>>>>> tacking in account the group difference? Please could you suggest my
>>>>>>>>> the path?
>>>>>>>>> Thanks
>>>>>>>>>
>>>>>>>>> Stefano
>>>>>>>>>
>>>>>>>>>
>>>>>>>>> _______________________________________________
>>>>>>>>> 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
>>>>>>>> gr...@nmr.mgh.harvard.edu
>>>>>>>> Phone Number: 617-724-2358
>>>>>>>> Fax: 617-726-7422
>>>>>>>>
>>>>>>>> Bugs: surfer.nmr.mgh.harvard.edu/fswiki/BugReporting
>>>>>>>> FileDrop: https://gate.nmr.mgh.harvard.edu/filedrop2
>>>>>>>> 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
>>>>>>>>
>>>>>>>>
>>>>>>>> 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.
>>>>>>>>
>>>>>>>>
>>>>>>> _______________________________________________
>>>>>>> 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
>>>>>> gr...@nmr.mgh.harvard.edu
>>>>>> Phone Number: 617-724-2358
>>>>>> Fax: 617-726-7422
>>>>>>
>>>>>> Bugs: surfer.nmr.mgh.harvard.edu/fswiki/BugReporting
>>>>>> FileDrop: https://gate.nmr.mgh.harvard.edu/filedrop2
>>>>>> 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
>>>>>>
>>>>> _______________________________________________
>>>>> 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
>>>> gr...@nmr.mgh.harvard.edu
>>>> Phone Number: 617-724-2358
>>>> Fax: 617-726-7422
>>>>
>>>> Bugs: surfer.nmr.mgh.harvard.edu/fswiki/BugReporting
>>>> FileDrop: https://gate.nmr.mgh.harvard.edu/filedrop2
>>>> 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
>>>>
>>> _______________________________________________
>>> Freesurfer mailing list
>>> Freesurfer@nmr.mgh.harvard.edu
>>> https://mail.nmr.mgh.harvard.edu/mailman/listinfo/freesurfer
>>>
>>>
>> _______________________________________________
>> Freesurfer mailing list
>> Freesurfer@nmr.mgh.harvard.edu
>> https://mail.nmr.mgh.harvard.edu/mailman/listinfo/freesurfer
>>
> _______________________________________________
> Freesurfer mailing list
> Freesurfer@nmr.mgh.harvard.edu
> https://mail.nmr.mgh.harvard.edu/mailman/listinfo/freesurfer
>
>

_______________________________________________
Freesurfer mailing list
Freesurfer@nmr.mgh.harvard.edu
https://mail.nmr.mgh.harvard.edu/mailman/listinfo/freesurfer

Reply via email to