[Mne_analysis] Equalize Event Counts Error

[Cushing, Cody]

Aha, that did it.  Thanks Jaako!  I also just realized I had been looking at documentation for equalize_epochs_counts, but using equalize_event_counts in my code.  So, that was my bad from the start.

Cheers,
Cody
________________________________
From: mne_analysis-bounces at nmr.mgh.harvard.edu [mne_analysis-bounces at nmr.mgh.harvard.edu] on behalf of Jaakko Leppakangas [jaeilepp at gmail.com]
Sent: Friday, June 23, 2017 2:12 AM
To: Discussion and support forum for the users of MNE Software
Subject: Re: [Mne_analysis] Equalize Event Counts Error

Hi,

equalize_event_counts takes a list of indices. So you should do epochs.equalize_event_counts(['1', '2']) instead.

-Jaakko

On Fri, Jun 23, 2017 at 12:14 AM, Cushing, Cody <CCUSHING1 at mgh.harvard.edu<mailto:CCUSHING1 at mgh.harvard.edu>> wrote:
Hey Alex,

The attached bit of code causes the error on the sample data for me.

Cheers,
Cody
________________________________________
From: mne_analysis-bounces at nmr.mgh.harvard.edu<mailto:mne_analysis-bounces at nmr.mgh.harvard.edu> [mne_analysis-bounces at nmr.mgh.harvard.edu<mailto:mne_analysis-bounces at nmr.mgh.harvard.edu>] on behalf of Alexandre Gramfort [alexandre.gramfort at telecom-paristech.fr<mailto:alexandre.gramfort at telecom-paristech.fr>]
Sent: Thursday, June 22, 2017 5:47 PM
To: Discussion and support forum for the users of MNE Software
Subject: Re: [Mne_analysis] Equalize Event Counts Error

Hi,

Can you share a code to replicate this on the sample data?

thanks
Alex

On Thu, Jun 22, 2017 at 8:19 PM, Cushing, Cody
<CCUSHING1 at mgh.harvard.edu<mailto:CCUSHING1 at mgh.harvard.edu>> wrote:
> Hi,
>
> Whenever I try to use the epochs.equalize_event_counts, I get this same
> error:
>
>
>
> ###################
> ----> 1 epochs.equalize_event_counts(epochs1,epochs2)
>
> /usr/pubsw/packages/python/anaconda/lib/python2.7/site-packages/mne/epochs.pyc
> in equalize_event_counts(self, event_ids, method, copy)
>    1619             key_match = np.zeros(epochs.events.shape[0])
>    1620             for key in eq:
> -> 1621                 key_match = np.logical_or(key_match,
> epochs._key_match(key))
>    1622             eq_inds.append(np.where(key_match)[0])
>    1623
>
> /usr/pubsw/packages/python/anaconda/lib/python2.7/site-packages/mne/epochs.pyc
> in _key_match(self, key)
>    1323     def _key_match(self, key):
>    1324         """Helper function for event dict use"""
> -> 1325         if key not in self.event_id:
>    1326             raise KeyError('Event "%s" is not in Epochs.' % key)
>    1327         return self.events[:, 2] == self.event_id[key]
>
> TypeError: unhashable type: 'numpy.ndarray'
>
> ####################
>
>
> This happens on my data, and the sample data, and no matter how I define my
> event ids (dict or integer), so it doesn't really seem data dependent.  Has
> anyone encountered this before and know what is going on?
>
> Cheers,
> Cody
>
>
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