[Mne_analysis] Error when using mne_features

[RODNEY PETRUS BALANDONG]

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Dear Daniel,

Thank for the quick and detail explanation. Appreciate it.

For future user, I had modified the code and validate the outcome. The amended version can be accessed from the link https://github.com/balandongiv/Downsample/blob/master/Help_MneFeature.ipynb

Regards
Rodney


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Message: 1
Date: Tue, 05 Nov 2019 19:41:03 -0800
From: Daniel McCloy <dan.mccloy at gmail.com<mailto:dan.mccloy at gmail.com>>
Subject: Re: [Mne_analysis] Error when using mne_features package
To: Discussion and support forum for the users of MNE Software
        <mne_analysis at nmr.mgh.harvard.edu<mailto:mne_analysis at nmr.mgh.harvard.edu>>
Message-ID: <D300E1AB-BB26-4B4D-AE6A-BFF63354F2A1 at gmail.com<mailto:D300E1AB-BB26-4B4D-AE6A-BFF63354F2A1 at gmail.com>>
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This is expected behavior. "shape" is an attribute of NumPy arrays. RawArray is not a NumPy array, it is an MNE-Python Raw object that was originally created from a NumPy array (as opposed to Raw objects created from vendor-specific EEG or MEG data file formats). If you want the data dimensions, you can use a combination of the len() function and properties like raw.times and raw.ch_names, or you can extract the data samples using the get_data() method and use .shape on the result.

On November 5, 2019 6:48:10 PM PST, RODNEY PETRUS BALANDONG <rodney.petrus_g03291 at utp.edu.my<mailto:rodney.petrus_g03291 at utp.edu.my>> wrote:
>        External Email - Use Caution
>
>Greeting all,
>
>I am trying to extract features from the bnci-horizon 2020 dataset
>using user-defined feature functions under the MNE-features packages.
>The continuous signal was divided into a 20s epoch.
>However, the package gives an error of  'RawArray' object has no
>attribute 'shape'
>
>Appreciate if someone can point on the mistake that I had overlooked.
>
>The error can be reproduced from the notebook, which is accessible from
>the link [1].
>
>[1]
>https://github.com/balandongiv/Downsample/blob/master/Help_MneFeature.ipynb
>
>
>Regards
>Rodney
>
>


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