On Di, 2018-04-10 at 16:09 +0200, Kaushal, Mayank wrote:
> I appreciate your providing the pros and cons associated with both
> options.
>
> Lets say for now we want to pursue option 2.
>
> My understating is that since you recommend not to include ‘visit’
> and 'time_from_baseline’ in the same mod
I appreciate your providing the pros and cons associated with both options.
Lets say for now we want to pursue option 2.
My understating is that since you recommend not to include ‘visit’ and
'time_from_baseline’ in the same model, one of the steps in creating MLE model
for option 2 would be t
On Mo, 2018-04-09 at 19:53 +0200, Kaushal, Mayank wrote:
> I am indeed considering LME model since I have multiple visits (4)
> for each subject and multiple groups (3).
>
> Based on your response, I am inclined to include the following.
>
> Intercept - random variable
> Slope (time_base_scan) - ra
I am indeed considering LME model since I have multiple visits (4) for each
subject and multiple groups (3).
Based on your response, I am inclined to include the following.
Intercept - random variable
Slope (time_base_scan) - random variable
As I am including time_base_scan as the random variab
Hello,
this is somewhat difficult to answer, so the following is a personal
opinion.
I think the first question is whether your would like to go for a) a
cross-sectional design or b) a longitudinal design.
If a), you'd have a single scan per subject (e.g., baseline) and could
discard the tempora
The continuous variable in my analysis is time_base_scan with the time points
evaluated by me being of acute and subacute nature.
However, due to the small differences in time elapsed between successive visits
(duration between visits is a couple of weeks), is it possible to simply model
LME ana
Hello,
please find my responses below.
Best regards,
Kersten
On Do, 2018-03-29 at 00:11 +0200, Kaushal, Mayank wrote:
Hi Kersten,
Apologies for the delay. I am still in the process of trying to figure out the
gaps in my understanding and would appreciate your inputs.
I created the design X
.*M(:,4)];
>
> Then the order of the columns of X is: intercept, time-from-baseline,
> age-at-baseline, group2, group3, time-from-baseline*group2, time-
> from-
> baseline*group3.
>
> Let's keep in mind that the order of columns in X is important for
> the
> formulation
mailto:mkaus...@mcw.edu><mailto:mkaus...@mcw.edu>>
Reply-to: Freesurfer support list
mailto:freesurfer@nmr.mgh.harvard.edu>>
To: Freesurfer support list
mailto:freesurfer@nmr.mgh.harvard.edu>>
Subject: Re: [Freesurfer] Running Linear Mixed Effects (LME) Model
Date: Wed, 7 Mar
gt; baseline*group3.
>
> Let's keep in mind that the order of columns in X is important for
> the
> formulation of contrasts at a later stage (and is different from the
> tutorial example).
>
> Again, this procedure and the matrices M and X are specific for this
> particu
he matrices M and X are specific for this
particular analysis scenario and cannot necessarily be generalized to
others.
Best regards,
Kersten
-Original Message-
From: "Kaushal, Mayank" mailto:mkaus...@mcw.edu>>
Reply-to: Freesurfer support list
To: Freesurfer support
zed to
others.
Best regards,
Kersten
-Original Message-
From: "Kaushal, Mayank"
Reply-to: Freesurfer support list
To: Freesurfer support list
Subject: Re: [Freesurfer] Running Linear Mixed Effects (LME) Model
Date: Wed, 7 Mar 2018 15:48:36 +0100
I have made the sugge
know.
Best regards,
Kersten
-Original Message-
From: "Kaushal, Mayank"
Reply-to: Freesurfer support list
To: Freesurfer support list
Subject: Re: [Freesurfer] Running Linear Mixed Effects (LME) Model
Date: Tue, 6 Mar 2018 19:22:57 +0100
I have tabulated the columns for easie
k"
mailto:mkaus...@mcw.edu><mailto:mkaus...@mcw.edu>>
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mailto:freesurfer@nmr.mgh.harvard.edu>>
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mailto:freesurfer@nmr.mgh.harvard.edu>>
Subject: Re: [Freesurfer] Running Linear Mixed Effects (LME) Mo
7;, but to set the
Matlab working directory to another directory where you have write
permissions.
Best regards
Kersten
-Original Message-
From: "Kaushal, Mayank" mailto:mkaus...@mcw.edu>>
Reply-to: Freesurfer support list
To: Freesurfer support list
Subject: Re: [Freesur
Original Message-
From: "Kaushal, Mayank"
Reply-to: Freesurfer support list
To: Freesurfer support list
Subject: Re: [Freesurfer] Running Linear Mixed Effects (LME) Model
Date: Tue, 6 Mar 2018 15:17:31 +0100
After downloading version 6.0. and running lhstats =
lme_mass_fit_vw(X,[
general.
>
> Best,
>
> Kersten
>
>
>
> --Original Message-
> From: "Kaushal, Mayank"
> Reply-to: Freesurfer support list
> To: Freesurfer support list
> Subject: Re: [Freesurfer] Running Linear Mixed Effects (LME) Model
> Date: Mon, 5 M
er support list
To: Freesurfer support list
Subject: Re: [Freesurfer] Running Linear Mixed Effects (LME) Model
Date: Mon, 5 Mar 2018 20:47:36 +0100
The version string I have been using:
$Revision: 1.1.1.1 $ $Date: 2012/02/02 11:25:52 $
So, it appears that I do indeed have the older version.
I
ME toolbox to run with a current Matlab version - except from
> modifying the code itself. So my suggestion would be to just use the
> newer LME toolbox that is shipped with Freesurfer 6.0.
>
> Let us know if I am mistaken or if there are further issues.
>
> Best regards,
>
> Ke
lbox that is shipped with Freesurfer 6.0.
Let us know if I am mistaken or if there are further issues.
Best regards,
Kersten
-Original Message-
From: "Kaushal, Mayank"
Reply-to: Freesurfer support list
To: Freesurfer support list
Subject: Re: [Freesurfer] Running Linear
et this alternative approach working, I did not have to change the
> Matlab preferences.
>
> Hope this helps,
>
> Kersten
>
>
> -Original Message-
> From: "Kaushal, Mayank"
> Reply-to: Freesurfer support list
> To: freesurfer@nmr.mgh.harvard
lab preferences.
Hope this helps,
Kersten
-Original Message-
From: "Kaushal, Mayank"
Reply-to: Freesurfer support list
To: freesurfer@nmr.mgh.harvard.edu
Subject: [Freesurfer] Running Linear Mixed Effects (LME) Model
Date: Sun, 4 Mar 2018 23:56:03 +0100
Dear Freesurfer Commu
Dear Freesurfer Community,
Running lhstats = lme_mass_fit_vw(X,[1 2],Y,ni,lhcortex); gives the following
error,
Starting parallel pool (parpool) using the 'local' profile ...
Error using parpool (line 104)
You requested a minimum of 8 workers, but the cluster "local" has the
NumWorkers property
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