[FieldTrip] Function is asking for raw data as input

Snijders, T.M. (Tineke) tineke.snijders at donders.ru.nl
Tue May 10 10:34:19 CEST 2016

Dear Soujata,

Have you checked what data is in Dat(i,j,k)? The data input of ft_timelockanalysis should be organised in a structure as obtained from ft_preprocessing, with trial-based data.


From: fieldtrip-bounces at science.ru.nl [fieldtrip-bounces at science.ru.nl] on behalf of Soujata Borbaruah [s.borbaruah at student.utwente.nl]
Sent: Tuesday, May 10, 2016 10:00 AM
To: fieldtrip, donders
Subject: [FieldTrip] Function is asking for raw data as input

Hello, I am working on statistical analysis of EEG data from subjects. I am trying to perform time lock analysis on the data available but while executing the script these are the following errors I get:

Error using ft_checkdata (line 464)
This function requires raw+comp or raw data as input.

Error in ft_timelockanalysis (line 106)
data = ft_checkdata(data, 'datatype', {'raw+comp', 'raw'}, 'feedback', 'yes', 'hassampleinfo', 'yes');

Error in Actual_Timelockanalysis_MTT_EP (line 20)
                        EP{i,j,k}.All = ft_timelockanalysis(cfg,Dat(i,j,k));

Error in Noise_MTT_EP (line 8)
[ep] = Actual_Timelockanalysis_MTT_EP(Data)

Please let me know if you require any more information.

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