# Simulating EEG data with MNE **URL:** \ **Category:** Mailing List Archive (read-only)\ **Tags:** list-archive\ **Created:** [April 13, 2020, 2:21pm UTC](https://mne.discourse.group/t/simulating-eeg-data-with-mne/2153 "2020-04-13T14:21:23Z")\ **Posts on this page:** 12\ **Page:** 1
**Author:** ![system](https://global.discourse-cdn.com/free1/uploads/mne/original/1X/85cc6bd2b69cb698a166dc6d880fb550510d0144.jpeg) [@system](https://mne.discourse.group/u/system)\ **Post date:** [April 13, 2020, 2:21pm UTC](https://mne.discourse.group/t/simulating-eeg-data-with-mne/2153/1 "2020-04-13T14:21:23Z")
External Email - Use Caution Hi, I'm trying to simulate EEG data based on my existing dataset, which is in the format of .eeg/.vhdr/.vmrk files (raw), .rds files (processed) and a .csv file (summarised). I tried these tutorials [https://mne.tools/dev/auto\_examples/simulation/plot\_simulate\_evoked\_data.html](https://mne.tools/dev/auto_examples/simulation/plot_simulate_evoked_data.html) [https://mne.tools/dev/auto\_examples/simulation/plot\_simulate\_raw\_data.html?highlight=simulate](https://mne.tools/dev/auto_examples/simulation/plot_simulate_raw_data.html?highlight=simulate) but I did not manage to do so, since these are based on .fiff files and my dataset does not contain any fwd/ave/cov/proj files. Is there a way to simulate data based on .eeg/.vhdr/.vmrk OR .rds OR .csv files? Any suggestions would be appreciated. Thanks in advance, Daniel -------------- next part -------------- An HTML attachment was scrubbed... URL: [http://mail.nmr.mgh.harvard.edu/pipermail/mne\_analysis/attachments/20200413/dee9f281/attachment.html](http://mail.nmr.mgh.harvard.edu/pipermail/mne_analysis/attachments/20200413/dee9f281/attachment.html) ---
**Author:** ![system](https://global.discourse-cdn.com/free1/uploads/mne/original/1X/85cc6bd2b69cb698a166dc6d880fb550510d0144.jpeg) [@system](https://mne.discourse.group/u/system)\ **Post date:** [April 13, 2020, 2:29pm UTC](https://mne.discourse.group/t/simulating-eeg-data-with-mne/2153/2 "2020-04-13T14:29:32Z")
External Email - Use Caution hi Daniel, to be able to simulate data you need a forward model (know how to go from source to your EEG channel locations). WOuld it make sense to get sensor locations with your file and then use fsaverage after mapping your electrodes to this template head? Alex ---
**Author:** ![system](https://global.discourse-cdn.com/free1/uploads/mne/original/1X/85cc6bd2b69cb698a166dc6d880fb550510d0144.jpeg) [@system](https://mne.discourse.group/u/system)\ **Post date:** [April 13, 2020, 2:42pm UTC](https://mne.discourse.group/t/simulating-eeg-data-with-mne/2153/3 "2020-04-13T14:42:24Z")
External Email - Use Caution Hi Alex, Thanks for your fast reply. I'm not entirely sure if I understand what you mean, but judging by the documentation ( [https://mne.tools/dev/auto\_tutorials/source-modeling/plot\_forward.html](https://mne.tools/dev/auto_tutorials/source-modeling/plot_forward.html)), I would still need a -trans.fif file, correct? I am not in possession of this file. I do have sensor location data in my files, but I'm not sure how I can use this or fsaverage to simulate data. Moreover, FreeSurfer is used for MRI data and not for EEG data right? Daniel ---
**Author:** ![system](https://global.discourse-cdn.com/free1/uploads/mne/original/1X/85cc6bd2b69cb698a166dc6d880fb550510d0144.jpeg) [@system](https://mne.discourse.group/u/system)\ **Post date:** [April 13, 2020, 2:44pm UTC](https://mne.discourse.group/t/simulating-eeg-data-with-mne/2153/4 "2020-04-13T14:44:38Z")
External Email - Use Caution have a look at : [https://mne.tools/stable/auto\_tutorials/source-modeling/plot\_eeg\_no\_mri.html#sphx-glr-auto-tutorials-source-modeling-plot-eeg-no-mri-py](https://mne.tools/stable/auto_tutorials/source-modeling/plot_eeg_no_mri.html#sphx-glr-auto-tutorials-source-modeling-plot-eeg-no-mri-py) let me know if it does not help A -------------- next part -------------- An HTML attachment was scrubbed... URL: [http://mail.nmr.mgh.harvard.edu/pipermail/mne\_analysis/attachments/20200413/778ae5ee/attachment.html](http://mail.nmr.mgh.harvard.edu/pipermail/mne_analysis/attachments/20200413/778ae5ee/attachment.html) ---
**Author:** ![system](https://global.discourse-cdn.com/free1/uploads/mne/original/1X/85cc6bd2b69cb698a166dc6d880fb550510d0144.jpeg) [@system](https://mne.discourse.group/u/system)\ **Post date:** [April 14, 2020, 6:59am UTC](https://mne.discourse.group/t/simulating-eeg-data-with-mne/2153/5 "2020-04-14T06:59:43Z")
External Email - Use Caution Hi Alex, I've been tinkering with your suggestions, but I keep getting the following error: RuntimeError: Could not load any valid 3D backend: ['mayavi', 'pyvista'] I can't seem to find any documentation to solve it online, do you have any suggestions what this could be and how I can fix it? Daniel ---
**Author:** ![system](https://global.discourse-cdn.com/free1/uploads/mne/original/1X/85cc6bd2b69cb698a166dc6d880fb550510d0144.jpeg) [@system](https://mne.discourse.group/u/system)\ **Post date:** [April 14, 2020, 7:04am UTC](https://mne.discourse.group/t/simulating-eeg-data-with-mne/2153/6 "2020-04-14T07:04:52Z")
External Email - Use Caution Hi Daniel, What happens if you try and import either of those packages directly? Cheers, -Morgan ---
**Author:** ![system](https://global.discourse-cdn.com/free1/uploads/mne/original/1X/85cc6bd2b69cb698a166dc6d880fb550510d0144.jpeg) [@system](https://mne.discourse.group/u/system)\ **Post date:** [April 14, 2020, 7:16am UTC](https://mne.discourse.group/t/simulating-eeg-data-with-mne/2153/7 "2020-04-14T07:16:16Z")
External Email - Use Caution hi, also please tell us what this gives you: [https://mne.tools/dev/generated/mne.sys\_info.html](https://mne.tools/dev/generated/mne.sys_info.html) on your machine Alex ---
**Author:** ![system](https://global.discourse-cdn.com/free1/uploads/mne/original/1X/85cc6bd2b69cb698a166dc6d880fb550510d0144.jpeg) [@system](https://mne.discourse.group/u/system)\ **Post date:** [April 14, 2020, 7:22am UTC](https://mne.discourse.group/t/simulating-eeg-data-with-mne/2153/8 "2020-04-14T07:22:35Z")
External Email - Use Caution I successfully installed Pyvista, but trying to install Mayavi generated a huge error log (see attached file). This is the output of the mne.sys\_info(): Platform: Darwin-19.4.0-x86\_64-i386-64bit Python: 3.7.7 (default, Mar 26 2020, 10:32:53) [Clang 4.0.1 (tags/RELEASE\_401/final)] Executable: /Users/danielvandencorput/anaconda3/envs/opencv/bin/python CPU: i386: 4 cores Memory: Unavailable (requires "psutil" package) mne: 0.20.0 numpy: 1.18.1 {blas=mkl\_rt, lapack=mkl\_rt} scipy: 1.4.1 matplotlib: 3.2.1 {backend=module://ipykernel.pylab.backend\_inline} sklearn: 0.22.1 numba: Not found nibabel: Not found cupy: Not found pandas: 1.0.3 dipy: Not found mayavi: Not found pyvista: 0.24.1 vtk: 8.1.2 Cheers >         External Email - Use Caution > > hi, > > also please tell us what this gives you: > > [mne.sys\_info — MNE 1.7.0.dev17+g20174f448 documentation](https://mne.tools/dev/generated/mne.sys_info.html) > > on your machine > > Alex > > \> > \> External Email - Use Caution > \> > \> Hi Daniel, > \> > \> What happens if you try and import either of those packages directly? > \> > \> Cheers, > \> > \> -Morgan > \> > \>\> > \>\> External Email - Use Caution > \>\> > \>\> Hi Alex, > \>\> > \>\> I've been tinkering with your suggestions, but I keep getting the > following error: > \>\> > \>\> RuntimeError: Could not load any valid 3D backend: ['mayavi', 'pyvista'] > \>\> > \>\> > \>\> I can't seem to find any documentation to solve it online, do you have > any suggestions what this could be and how I can fix it? > \>\> > \>\> > \>\> Daniel > \>\> > \>\> > \>\>\> > \>\>\> External Email - Use Caution > \>\>\> > \>\>\> have a look at : > \>\>\> > \>\>\> > [Page Redirection](https://mne.tools/stable/auto_tutorials/source-modeling/plot_eeg_no_mri.html#sphx-glr-auto-tutorials-source-modeling-plot-eeg-no-mri-py) > \>\>\> > \>\>\> let me know if it does not help > \>\>\> > \>\>\> A > \>\>\> \_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_ > \>\>\> Mne\_analysis mailing list > \>\>\> Mne\_analysis at nmr.mgh.harvard.edu > \>\>\> [Mne\_analysis Info Page](https://mail.nmr.mgh.harvard.edu/mailman/listinfo/mne_analysis) > \>\> > \>\> \_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_ > \>\> Mne\_analysis mailing list > \>\> Mne\_analysis at nmr.mgh.harvard.edu > \>\> [Mne\_analysis Info Page](https://mail.nmr.mgh.harvard.edu/mailman/listinfo/mne_analysis) > \> > \> \_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_ > \> Mne\_analysis mailing list > \> Mne\_analysis at nmr.mgh.harvard.edu > \> [Mne\_analysis Info Page](https://mail.nmr.mgh.harvard.edu/mailman/listinfo/mne_analysis) > > \_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_ > Mne\_analysis mailing list > Mne\_analysis at nmr.mgh.harvard.edu > [Mne\_analysis Info Page](https://mail.nmr.mgh.harvard.edu/mailman/listinfo/mne_analysis) -------------- next part -------------- An HTML attachment was scrubbed... URL: [http://mail.nmr.mgh.harvard.edu/pipermail/mne\_analysis/attachments/20200414/2a108f54/attachment-0001.html](http://mail.nmr.mgh.harvard.edu/pipermail/mne_analysis/attachments/20200414/2a108f54/attachment-0001.html) -------------- next part -------------- A non-text attachment was scrubbed... Name: Error\_output.rtf Type: text/rtf Size: 45430 bytes Desc: not available Url : [http://mail.nmr.mgh.harvard.edu/pipermail/mne\_analysis/attachments/20200414/2a108f54/attachment-0001.rtf](http://mail.nmr.mgh.harvard.edu/pipermail/mne_analysis/attachments/20200414/2a108f54/attachment-0001.rtf) ---
**Author:** ![system](https://global.discourse-cdn.com/free1/uploads/mne/original/1X/85cc6bd2b69cb698a166dc6d880fb550510d0144.jpeg) [@system](https://mne.discourse.group/u/system)\ **Post date:** [April 14, 2020, 7:27am UTC](https://mne.discourse.group/t/simulating-eeg-data-with-mne/2153/9 "2020-04-14T07:27:08Z")
External Email - Use Caution then you have pyvista so it should work. does making a toy pyvista plot works on your system? pick one in : [https://docs.pyvista.org/examples/index.html](https://docs.pyvista.org/examples/index.html) Alex ---
**Author:** ![system](https://global.discourse-cdn.com/free1/uploads/mne/original/1X/85cc6bd2b69cb698a166dc6d880fb550510d0144.jpeg) [@system](https://mne.discourse.group/u/system)\ **Post date:** [April 14, 2020, 7:30am UTC](https://mne.discourse.group/t/simulating-eeg-data-with-mne/2153/10 "2020-04-14T07:30:04Z")
External Email - Use Caution Plotting with pyvista works as it should be. ---
**Author:** ![system](https://global.discourse-cdn.com/free1/uploads/mne/original/1X/85cc6bd2b69cb698a166dc6d880fb550510d0144.jpeg) [@system](https://mne.discourse.group/u/system)\ **Post date:** [April 14, 2020, 7:33am UTC](https://mne.discourse.group/t/simulating-eeg-data-with-mne/2153/11 "2020-04-14T07:33:43Z")
External Email - Use Caution please open an issue at [https://github.com/mne-tools/mne-python/issues](https://github.com/mne-tools/mne-python/issues) so we can look into it with Guillaume Favelier Alex ---
**Author:** ![system](https://global.discourse-cdn.com/free1/uploads/mne/original/1X/85cc6bd2b69cb698a166dc6d880fb550510d0144.jpeg) [@system](https://mne.discourse.group/u/system)\ **Post date:** [April 14, 2020, 7:37am UTC](https://mne.discourse.group/t/simulating-eeg-data-with-mne/2153/12 "2020-04-14T07:37:33Z")
External Email - Use Caution I will do that. Thanks for your help either way. Daniel