Imaginary parts Error Msg on Preprocess files

[KingFunk]

I'm getting the following errors on all my EEG files after preprocessing:

Preprocess steps taken:
Frequency Filter
Baseline Correction
Channel labeling and deleting unused channels
Epoch sorting
Merging

When I try to open the files past the baseline correction step, I get the following error and it does not open. Any ideas what could cause this?

Warning: Imaginary parts of complex X and/or Y arguments ignored

In GLW_simpleview>updategraph at 489
In GLW_simpleview>GLW_simpleview_OpeningFcn at 115
In gui_mainfcn at 221
In GLW_simpleview at 33
In letswave_gui>filebox_Callback at 106
In gui_mainfcn at 96
In letswave_gui at 32
In @(hObject,eventdata)letswave_gui('filebox_Callback',hObject,eventdata,guidata(hObject))

[amouraux]

Hello,

What function did you use to filter? An FFT filter?
It seems that your data is composed of complex numbers instead of real numbers.
This could have occurred if there was a mistake when setting the parameters of an FFT filter.
Can you check whether you are able to visualise the filtered data?
Can you provide me with the parameters of the FFT filter?
If you are unsure, you can send me as attachment the header file, i.e. the LW6 file as it contains a history of all the different processing steps.

Best wishes,
André

On 26 Aug 2016, at 11:21, KingFunk notifications@github.com wrote:

I'm getting the following errors on all my EEG files after preprocessing:

Preprocess steps taken:
Frequency Filter
Baseline Correction
Channel labeling and deleting unused channels
Epoch sorting
Merging

When I try to open the files past the baseline correction step, I get the following error and it does not open. Any ideas what could cause this?

Warning: Imaginary parts of complex X and/or Y arguments ignored

In GLW_simpleview>updategraph at 489
In GLW_simpleview>GLW_simpleview_OpeningFcn at 115
In gui_mainfcn at 221
In GLW_simpleview at 33
In letswave_gui>filebox_Callback at 106
In gui_mainfcn at 96
In letswave_gui at 32
In @(hObject,eventdata)letswave_gui('filebox_Callback',hObject,eventdata,guidata(hObject))

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[KingFunk]

Analysis was performed in letswave5. A FFT filter was used with a
band-pass filter at default settings.

I can also visual the filtered data and have attached the header file for
the filter and the last processing step done.

Thanks for the help!

-Bob

On Fri, Aug 26, 2016 at 2:41 PM, André Mouraux notifications@github.com
wrote:

Hello,

What function did you use to filter? An FFT filter?
It seems that your data is composed of complex numbers instead of real
numbers.
This could have occurred if there was a mistake when setting the
parameters of an FFT filter.
Can you check whether you are able to visualise the filtered data?
Can you provide me with the parameters of the FFT filter?
If you are unsure, you can send me as attachment the header file, i.e. the
LW6 file as it contains a history of all the different processing steps.

Best wishes,
André

On 26 Aug 2016, at 11:21, KingFunk notifications@github.com wrote:

I'm getting the following errors on all my EEG files after preprocessing:

Preprocess steps taken:
Frequency Filter
Baseline Correction
Channel labeling and deleting unused channels
Epoch sorting
Merging

When I try to open the files past the baseline correction step, I get
the following error and it does not open. Any ideas what could cause this?

Warning: Imaginary parts of complex X and/or Y arguments ignored

In GLW_simpleview>updategraph at 489
In GLW_simpleview>GLW_simpleview_OpeningFcn at 115
In gui_mainfcn at 221
In GLW_simpleview at 33
In letswave_gui>filebox_Callback at 106
In gui_mainfcn at 96
In letswave_gui at 32
In @(hObject,eventdata)letswave_gui('filebox_Callback',
hObject,eventdata,guidata(hObject))

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[KingFunk]

data file headers.zip