Naming Convention for PTB Data

[Kelvin Khang Dinh Nguyen]

Hi, 

As I have pre-defined train/val/test splits based on the training data, I was wondering how the PTB data is named, since my PTB files have the "_hr" suffix to them, as I use records500, but I'm not sure which ones the training code uses. Thank you!

[PhysioNet Challenge]

Dear Kelvin,

We are using the 500Hz version of the PTB-XL dataset. Please see this part of the README for more information, and for the code that we use to generate the training set:
https://github.com/physionetchallenges/python-example-2025?tab=readme-ov-file#how-do-i-create-data-for-these-scripts

We generated the validation and test sets in similar ways, but they include data from different sources that are not included in the training set.

Also, you wrote that you are creating pre-defined training/validation/test splits of the training data. Teams are welcome to split the training set in any way that they would like, and to leverage the mixture of weak and strong labels in the training set, but please ensure that your code also learns from the training set, and please be careful about how you describe these splits in your paper: they are not "the" hidden validation and test sets for the Challenge.

​​Best,
Matt
(On behalf of the Challenge team.)

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