Unrecognized field name "W"

[d-scanzi]

Hi there,

As reported by other users, sometimes a fresh install of the AMICA plugin leads to the following error:

No gm present, setting num_models to 1
No W present, exiting
Unrecognized field name "W".

Error in runamica15 (line 895)
    weights = mods.W(:,:,1);

Error in pop_runamica (line 341)
    [W,S,mods] = runamica15(EEG.data(:,:),arglist{:});
 
Error while evaluating Menu Callback.

I faced this problem when I installed the plugin through EEGLAB. However, no problems occurred when I manually downloaded the directory from Github. Other colleagues experienced the same issue. Comparing the two installation folders, the one installed from EEGLAB missed the libiomp5md.dll driver. Adding this file to the AMICA1.6.1 directory solved the problem and ICA started correctly.

Would it be possible to look into this?

Thank you!

[jamaroo]

Hello,

This problem can still occur even with the libiomp5md.dll driver. After extensive testing, it seems that this error is dependent also on the EEG file. For example, I have one EEG file on which AMICA can load the W field but is not able to do so right after I downsample my data. It seems that the ability to compute these fields depends on the data, however I cannot confirm this. Is it possible to have this fixed?