If you are developing an application or article around this data, ensure you cite the source correctly. Most of this data is distributed under licenses like the Creative Commons Attribution License , which allows for reproduction and distribution as long as the original authors are credited.
While you may see requests for these in .rar format on third-party forums, the most reliable way to obtain them is directly from official scientific repositories like PhysioNet : Navigate to the MIT-BIH Arrhythmia Database page.
Locate the file list where you can find individual .dat , .hea , and .atr files for records 201 and 205.
If you are looking to access records and 205 from the MIT-BIH Arrhythmia Database , these specific data segments are commonly used in medical research to analyze RAR (RAR residuals) for identifying heart incidents like PVC or fVN. Understanding Records 201 & 205
Are you planning to use these records for training or for a clinical analysis study?