The data set includes two signals, respiration and the ECG. Both signals are distorted by strong 60Hz interference from the mains power.
data(ECG)A data frame with three columns:
time in seconds
respiration, arbitrary units
ECG, arbitrary units.
Iyengar N, Peng C-K, Morin R, Goldberger AL, Lipsitz LA. Age-related alterations in the fractal scaling of cardiac interbeat interval dynamics. Am J Physiol, 1996; 271: 1078-1084.
Standard citation for PhysioNet: Goldberger AL, Amaral LAN, Glass L, Hausdorff JM, Ivanov PCh, Mark RG, Mietus JE, Moody GB, Peng C-K, Stanley HE. PhysioBank, PhysioToolkit, and PhysioNet: Components of a New Research Resource for Complex Physiologic Signals (2003). Circulation. 101(23):e215-e220.