Hi Anson,

'conversion' means to extract the values from that file (for the
specific structure(s)) and put them into a format that can be read by
your program (SPSS). For the stats you would not use qdec anyway (you
could use mri_glmfit).

You may want to check out asegstats2table and aparcstats2table to grab
the values from the stats files and put them into a table format.

Best, Martin

On Tue, 2012-07-17 at 16:05 +0000, Kairys, Anson wrote:
> Hi,
> 
>  
> 
> In the longitudinal tutorial it states that: “In order to analyze your
> longitudinal data, you have different options. You could, e.g., open
> the stats text files in each tpN.long.templateID/stats/ dir,
> containing statistics such as volume of subcortical structures or
> thickness averages for cortical regions. These statistics can be fed
> (after conversion) into statistical packages to run whatever analysis
> you are interested in, such as linear mixed effects models (often used
> in longitudinal analysis).
> 
>  
> 
> I am wondering what conversion this refers to? I would like to run the
> stats in SPSS without having to use qdec for now.
> 
>  
> 
> Any help would be great
> 
>  
> 
> Best
> 
>  
> 
> Anson K.
> 
> 
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