[Mne_analysis] mne_average_estimates

[Matti Hamalainen]

Hi Linnaea,

On Jan 11, 2009, at 8:39 PM, Linnaea Stockall wrote:

> Hello,
>
> I'm trying to use mne_average_estimates. I created the stc files  
> using mne_make_movie and the --morph tag, so according to the  
> manual, I should not have a problem with different numbers of  
> vertices:
>
> Note: mne_average_estimates requires that the number of vertices in  
> the
> stc files are the same and that the vertex numbers are identical.  
> This will
> be the case if the files have been produced in mne_make_movie using  
> the
> --morph option.
>
> However, running the command results in:
>
> Checking data...[failed] Number of vertices mismatch in 3-COMB/meg/ 
> 3_grandave
>
> The exact syntax I used for mne_make_movie is as below, repeated for  
> each subject, all morphed to 4-COMB:
>
> mne_make_movie --inv 10-COMB/meg/10_grandave-meg-inv.fif --meas 10- 
> COMB/meg/CA10_grandave.fif --tmin -100 --tmax 500 --tstep 1 --spm -- 
> signed --pickupnormalcomp --subject 10-COMB --morph 4-COMB --smooth  
> 4 --stc 10-COMB/meg/10-COMB.stc
>
> Subject 3 seems to the be the only one with a mismatch.
> Any help either identifying the source of the problem, or somehow  
> fixing it, would be much appreciated.

The error message is strange considering that the output stc files are  
obviously called <subject number>-COMB

What does your averaging description file look like?

- Matti