# Read .csv/.RDS files with MNE

**URL:** <https://mne.discourse.group/t/read-csv-rds-files-with-mne/2140>\
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**Created:** [April 7, 2020, 9:30am UTC](https://mne.discourse.group/t/read-csv-rds-files-with-mne/2140 "2020-04-07T09:30:35Z")\
**Posts on this page:** 3\
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**Author:** ![system](https://global.discourse-cdn.com/free1/uploads/mne/original/1X/85cc6bd2b69cb698a166dc6d880fb550510d0144.jpeg) [@system](https://mne.discourse.group/u/system)\
**Post date:** [April 7, 2020, 9:30am UTC](https://mne.discourse.group/t/read-csv-rds-files-with-mne/2140/1 "2020-04-07T09:30:35Z")

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Hi,

My name is Daniel and I'm currently working on my thesis for the Master  
Cognitive Science and Artificial Intelligence for Tilburg University in the  
Netherlands. I want to create a model that can differentiate between  
patients vs non-patients for a particular disorder, based on EEG data.

However, my input data is in the format of a .csv file or alternatively  
multiple .RDS files. I've been researching for the past couple of days how  
I can have MNE read these files, but I can't seem to figure it out.

Does anyone have a suggestion on what the best way of going about this  
problem is? Any help would be much appreciated.

Thanks in advance!

Daniel  
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**Author:** ![system](https://global.discourse-cdn.com/free1/uploads/mne/original/1X/85cc6bd2b69cb698a166dc6d880fb550510d0144.jpeg) [@system](https://mne.discourse.group/u/system)\
**Post date:** [April 7, 2020, 2:02pm UTC](https://mne.discourse.group/t/read-csv-rds-files-with-mne/2140/2 "2020-04-07T14:02:35Z")

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Hi!

You can try to read the CSV file with pandas (pd.read\_csv) and then construct an MNE raw object using mne.io.RawArray (assuming that you have continuous EEG data). For a short summary how to do that see [https://mne.tools/stable/auto\_examples/io/plot\_objects\_from\_arrays.html](https://mne.tools/stable/auto_examples/io/plot_objects_from_arrays.html).

Clemens

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**Author:** ![system](https://global.discourse-cdn.com/free1/uploads/mne/original/1X/85cc6bd2b69cb698a166dc6d880fb550510d0144.jpeg) [@system](https://mne.discourse.group/u/system)\
**Post date:** [April 7, 2020, 2:05pm UTC](https://mne.discourse.group/t/read-csv-rds-files-with-mne/2140/3 "2020-04-07T14:05:22Z")

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Use pandas or numpy to read them and convert them to NumPy arrays and  
then use EpochsArray, RawArray, etc. to construct the appropriate MNE  
objects.

Since you have things in R format -- are you using eeguana? Its  
developer, Bruno, is in Tilburg....

Phillip