[FieldTrip] filed trip

[Pelt, S. van (Stan)]

Dear Aishwarya,

The data structure should look something like this:

% 1. Load data
load EEGdata.mat

% 2. Make FieldTrip structure, manually
data.label={'Channel1Name’,’Channel2Name’,’Channel3Name’}; %your channel names
data.trial{1}=[Channel1Data; Channel2Data; Channel3Data]'; % do for each trial: channelsxtimepoints data
data.fsample=500; %your recording sampling frequency
data.time{1}=[Trial1Timepoints]; % for each trial: timepoints per data sample (e.g: [0 0.02 0.04 0.06 etc])

Going through the Walktrough Tutorial will be the best starting point when you just started to use FieldTrip: http://www.fieldtriptoolbox.org/walkthrough
After that, you may go through the other Tutorial documentation or Example Matlab scripts.

Best,
Stan

--
Stan van Pelt, PhD
Donders Institute for Brain, Cognition and Behaviour
Radboud University
Montessorilaan 3, B.01.34
6525 HR Nijmegen, the Netherlands
tel: +31 24 3616288

From: fieldtrip-bounces at science.ru.nl [mailto:fieldtrip-bounces at science.ru.nl] On Behalf Of aishwarya selvaraj
Sent: vrijdag 11 december 2015 7:31
To: FieldTrip discussion list
Subject: Re: [FieldTrip] filed trip

do you still have that   m file with you??
could you share ??

On Fri, Nov 20, 2015 at 12:18 PM, Ashutosh Mishra <mishra408 at gmail.com<mailto:mishra408 at gmail.com>> wrote:
Hi Aishwarya,

I faced the similar problem. You are supposed to change your data
(.mat format) in a data structure that is read by fieldtrip. For that
you need at least following information
1. Channel label and their location (If you don't have this file you
can use standard file available in Fieldtrip and you can include only
those electrode that you have been using in your experiment)
2. sampling rate of the data (that you would have done while recording the data)
3. time vector
4. no. of trials

You can create them in MATLAB and put them together in a structure
along with your recorded data. This worked for me.

--
Ashutosh Mishra
5th year Integrated BS-MS student
Department of Physical Sciences
Indian Institute of Science Education and Research, Kolkata
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--
Regards,
Aishwarya Selvaraj
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