[Mne_analysis] pick_types from epochs?

[Per Arnold Lysne]

Hello,



    I apologize if this is an obvious question: I would like to pick the channel types I read from an epochs file. In other words, I have created an Epochs structure from raw data and then stored the epochs to a file. The epochs are created using meg=True, but I would now like to operate only on the gradiometers, or meg='grad'. For evoked data this functionality appears to be provided by pick_types_evoked, which accepts an evoked structure and then returns another one with the requested channel selection. Is there a way to achieve the same functionality with epochs data?



    Thanks again,



Per Lysne, University of New Mexico
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