[FieldTrip] FW: problem with my data

[Ahmadi Shapourabadi, Maryam (Dr.)]

Johanna, I had a problem in my data that I fixed and tried what you mentioned one more time and it worked.
Thanks,
Maryam
________________________________
From: fieldtrip-bounces at science.ru.nl [fieldtrip-bounces at science.ru.nl] on behalf of Ahmadi Shapourabadi, Maryam (Dr.) [ma447 at leicester.ac.uk]
Sent: Wednesday, November 19, 2014 3:23 PM
To: FieldTrip discussion list
Subject: Re: [FieldTrip] FW: problem with my data

Dear Johanna,

Thanks for your reply.
I tried it but got the same error:

cfg=ft_databrowser(cfg,avgdata2)
??? Error using ==> ft_checkdata at 442
This function requires raw+comp or raw data as input.

Error in ==> ft_databrowser at 257
  data = ft_checkdata(data, 'datatype', {'raw+comp', 'raw'},
  'feedback', 'yes', 'hassampleinfo', 'yes');

Bests,
Maryam
________________________________
From: fieldtrip-bounces at science.ru.nl [fieldtrip-bounces at science.ru.nl] on behalf of Johanna Zumer [johanna.zumer at gmail.com]
Sent: Wednesday, November 19, 2014 2:52 PM
To: FieldTrip discussion list
Subject: Re: [FieldTrip] FW: problem with my data

Dear Maryam,

It should be:
cfg=ft_databrowser(cfg,avgdata2)
not
cfg=ft_databrowser(avgdata2,cfg)

Best,
Johanna

2014-11-19 12:48 GMT+00:00 Ahmadi Shapourabadi, Maryam (Dr.) <ma447 at leicester.ac.uk<mailto:ma447 at leicester.ac.uk>>:
Dear Sir/Madam,

I am new to feildtrip and I wanted to start analyzing my data using the field trip. I have 64 channels of EEG recordings and I tried to convert my data to fieldtrip cell type to be able to browse the data using ft_databrowser, but there is a problem and I am not sure if it because of my data format or some other problems. I have reported the error and the structure of my data in the following.
Please do me a favor and check my data and help me with this issue.

Regards,
Maryam
________________________________
From: Ahmadi Shapourabadi, Maryam (Dr.)
Sent: Tuesday, November 18, 2014 6:20 PM
To: fieldtrip at science.ru.nl<mailto:fieldtrip at science.ru.nl>
Subject: problem with my data

Dear Sir/Madam,

I have tried to browse my data in fieldtrip but have got the following error:

cfg=ft_databrowser(avgdata2,cfg)
??? Warning: Struct field assignment overwrites a value with class "single".
 See MATLAB 7.0.4 Release Notes, Assigning Nonstructure Variables As Structures Displays Warning for details.
> In utilities\private\ft_preamble_provenance at 54
  In ft_preamble at 54
  In ft_databrowser at 138
??? Error using ==> ft_checkdata at 462
This function requires raw+comp or raw data as input.

Error in ==> ft_databrowser at 261
  data = ft_checkdata(data, 'datatype', {'raw+comp', 'raw'},
  'feedback', 'yes', 'hassampleinfo', 'yes');

This is my data:
ftdata2 =

      trial: {1x251 cell}
       time: {1x251 cell}
    fsample: 512
      label: {1x64 cell}

trial is single. I changed to double by the command 'double', but I got similar error:

cfg=ft_databrowser(avgdata2,cfg)
??? Warning: Struct field assignment overwrites a value with class "single".
 See MATLAB 7.0.4 Release Notes, Assigning Nonstructure Variables As Structures Displays Warning for details.
> In utilities\private\ft_preamble_provenance at 54
  In ft_preamble at 54
  In ft_databrowser at 138
??? Error using ==> ft_checkdata at 462
This function requires raw+comp or raw data as input.

Error in ==> ft_databrowser at 261
  data = ft_checkdata(data, 'datatype', {'raw+comp', 'raw'},
  'feedback', 'yes', 'hassampleinfo', 'yes');


detail of my data:

ftdata2.trial

ans =

  Columns 1 through 3

    [64x1024 single]    [64x1024 single]    [64x1024 single]

  Columns 4 through 6

    [64x1024 single]    [64x1024 single]    [64x1024 single]

  Columns 7 through 9

    [64x1024 single]    [64x1024 single]    [64x1024 single]

  Columns 10 through 12

    [64x1024 single]    [64x1024 single]    [64x1024 single]

  Columns 13 through 15

    [64x1024 single]    [64x1024 single]    [64x1024 single]

  Columns 16 through 18
  ...

ftdata2.trial

ans =

  Columns 1 through 3

    [64x1024 single]    [64x1024 single]    [64x1024 single]

  Columns 4 through 6

    [64x1024 single]    [64x1024 single]    [64x1024 single]

  Columns 7 through 9
  ....

ftdata2.fsample

ans =

   512


Could you please help me with this problem?

Regards,
Maryam

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