hmm_preprocessing_pipeline(); FileNotFoundError(2, 'No such file or directory')]) about cardio

[alexanderkuvaev]

In order to train the HMM model, you need to provide it not only with ECG signals, but also with annotation files, describing events at specific points within a recording. ECGs in ../cardio/tests/data don't have them.

So, all you need to do is load the appropriate database on this link as described in the tutorial just above the first block of code.

[quzhouxiachuan]

Hi

It worked! sorry for the obvious question. I am a beginner on signal processing, thanks for the direction!

[babayefarzan]

Hi,
Is there any specific folder or zip file to download from the https://www.physionet.org/physiobank/database/qtdb/?
Where should I place the downloaded files?

[dpodvyaznikov]

Hi, @babayefarzan!
If you have latest versions of wfdb library, you can use its function that downloads whole physiobank dataset - dl_database. It might take some time to download the dataset. Please find more about this function in the docs. (Note that current version of CardIO requires wfdb version to be exactly 2.2.1, which supports this function)
You can place the files anywhere in your system, but you need to provide the path to this data when creating Index or EcgDataset object. You can find examlpes in our Models tutorial, in section "CardIO segmentation models".

[babayefarzan]

@dpodvyaznikov Thank you for your informative response.