Issues with evoked responses and plots
amchabot opened this issue · comments
I am finding Meggie to be quite useful for epoching data and extracting evoked responses. I am not an extremely technical user--though I understand the basics of python--and so it is very helpful for me.
The principal issue I am having right now is plotting evoked responses with more than one epoch group. If I lump four epochs together, trying to turn them into an evoked response returns the following error:
in save_content
raise Exception("Writing evokeds failed. Please check that the "
Exception: Writing evokeds failed. Please check that the entire experiment folder has write permissions.
I've tried to figure out exactly what this means and how to fix it, but no luck. If I disactivate and then reactivate the correct subject, then the evoked group appears in the output box; but plotting this evoked group shows that only two of the four conditions are included.
Just grouping up two conditions into an evoked seems to work as expected, when plotting "All channels".
On the other hand, a second and related issue is that when I attempt to plot just "Channel averages", nothing appears, no error, no plot, nothing. Any help or even suggestion of a place I could look for clues to solving this issue would be appreciated. Thank you for the good work.
Hello amchabot,
Thanks for reporting. I was able to replicate both problems, seems like regression that happened when mne==1.x was pinned. I will fix asap.
Best,
Tk
Hello,
Should now be fixed in 1.3.9. Not yet in conda (conda-forge will automatically create PR at some point), but is in PyPI:
$ pip install meggie==1.3.9
If the channel averages still do not work right away, you can use the "channel groups" dialog found in the left side of the main window. There you can reset default channel groups, remove unnecessary groups, or create your own (assuming a montage exists).
And please do!
-- Tk