Hi Eric
The meaning of the variable ni is
explained in the header of each script that have it either as an input
or output. But you can also download the sample data from the wiki page
(ftp://surfer.nmr.mgh.harvard.edu/pub/data/long_mixed_effects_tools-data.tar.gz)
where you will find instances of that
variable and how it relates to the design matrix.
Best
-Jorge
El Miércoles 5 de febrero de 2014 20:40, Eric Cunningham <et...@hawaii.edu>
escribió:
Hello Freesurfer Experts,
>
>I am currently trying to run the Linear Mixed Effects Models described in the
>wiki here:
>http://surfer.nmr.mgh.harvard.edu/fswiki/LinearMixedEffectsModels
>
>And I am running into difficulties that are fairly well described by the last
>message in this previous mail thread:
>
>https://www.mail-archive.com/freesurfer@nmr.mgh.harvard.edu/msg25787.html
>
>
>Can you please clarify the variable "ni"?
>
>
>the following command:
>[M,Y,ni] = sortData(M,1,Y,sID);
>results in:
>??? Error: File: sortData.m Line: 59 Column: 6
>Expression or statement is incorrect--possibly unbalanced (, {, or [.
>
>
>do i need to build "ni" ahead of time?
>
>
>You probably don't need to know this, but I am using data generated by
>Freesurfer version 5.1, on matlab 7.8.0 (R2009a), which I gather will cause a
>few problems further down the line.
>
>
>Thank you for your help,
>
>-Eric
>
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