Splitting a .fif dataset

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1

I would like to split a .fif data set into multiple data sets, based on time. I found this guide from 2011, but it doesn’t seem to work anymore: [Mne_analysis] splitting fif files
Specifically, the command “from mne import fiff” is not working when I attempt it. Is there any way I can do something similar to the method described here on the current version of MNE?
Right now, I have version 0.22.0 installed, and I am using Python 3.7.6 on Windows 10.

2

Hello,

the solution proposed in splitting fif files - #2 by system (the one you pointed to before) still works in principle, but as you figured, the fiff import has moved. To read a file, you now have to use:

import mne

raw = mne.io.read_raw_fif(fname)

Then you can proceed just as described in the solution you found:

raw.save('sample_audvis_meg_raw_part1.fif', tmin=0, tmax=150)
# save the rest in a second FIF file
raw.save('sample_audvis_meg_raw_part2.fif', tmin=150)