The official phase of the PhysioNet/Computing in Cardiology Challenge 2021 has reopened

May 1, 2021: The official phase of the Challenge reopens today. Due to your engagement, we have enormously expanded the training data, modified the lead combination, and modified the example code and scoring function. Please see our announcement on the Challenge forum for more details. We will update and clarify these changes in response to your questions in the coming days.