physiologic time series
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IEEE Access ◽  
2020 ◽  
Vol 8 ◽  
pp. 112725-112734
Author(s):  
Wei Han ◽  
Zunjing Zhang ◽  
Chi Tang ◽  
Yili Yan ◽  
Erping Luo ◽  
...  

2017 ◽  
Vol 50 (1) ◽  
pp. 11005-11010 ◽  
Author(s):  
A. Kianimajd ◽  
M.G. Ruano ◽  
P. Carvalho ◽  
J. Henriques ◽  
T. Rocha ◽  
...  

2013 ◽  
Vol 24 (02) ◽  
pp. 1350006 ◽  
Author(s):  
JING WANG ◽  
PENGJIAN SHANG ◽  
XIAOJUN ZHAO ◽  
JIANAN XIA

There has been considerable interest in quantifying the complexity of different time series, such as physiologic time series, traffic time series. However, these traditional approaches fail to account for the multiple time scales inherent in time series, which have yielded contradictory findings when applied to real-world datasets. Then multi-scale entropy analysis (MSE) is introduced to solve this problem which has been widely used for physiologic time series. In this paper, we first apply the MSE method to different correlated series and obtain an interesting relationship between complexity and Hurst exponent. A modified MSE method called multiscale permutation entropy analysis (MSPE) is then introduced, which replaces the sample entropy (SampEn) with permutation entropy (PE) when measuring entropy for coarse-grained series. We employ the traditional MSE method and MSPE method to investigate complexities of different traffic series, and obtain that the complexity of weekend traffic time series differs from that of the workday time series, which helps to classify the series when making predictions.


2009 ◽  
Vol 01 (01) ◽  
pp. 61-70 ◽  
Author(s):  
C.-K. PENG ◽  
MADALENA COSTA ◽  
ARY L. GOLDBERGER

We introduce a generic framework of dynamical complexity to understand and quantify fluctuations of physiologic time series. In particular, we discuss the importance of applying adaptive data analysis techniques, such as the empirical mode decomposition algorithm, to address the challenges of nonlinearity and nonstationarity that are typically exhibited in biological fluctuations.


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