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Chin. Phys. B, 2015, Vol. 24(4): 049205    DOI: 10.1088/1674-1056/24/4/049205
GEOPHYSICS, ASTRONOMY, AND ASTROPHYSICS Prev  

Comparison of performance between rescaled range analysis and rescaled variance analysis in detecting abrupt dynamic change

He Wen-Ping (何文平)a, Liu Qun-Qun (刘群群)b, Jiang Yun-Di (姜允迪)a, Lu Ying (卢莹)c
a National Climate Center, China Meteorological Administration, Beijing 100081, China;
b College of Mathematics and Statistics, Nanjing University of Information Science and Technology, Nanjing 210044, China;
c Yangzhou Meteorological Office, Yangzhou 225003, China
Abstract  In the present paper, a comparison of the performance between moving cutting data-rescaled range analysis (MC-R/S) and moving cutting data-rescaled variance analysis (MC-V/S) is made. The results clearly indicate that the operating efficiency of the MC-R/S algorithm is higher than that of the MC-V/S algorithm. In our numerical test, the computer time consumed by MC-V/S is approximately 25 times that by MC-R/S for an identical window size in artificial data. Except for the difference in operating efficiency, there are no significant differences in performance between MC-R/S and MC-V/S for the abrupt dynamic change detection. MC-R/S and MC-V/S both display some degree of anti-noise ability. However, it is important to consider the influences of strong noise on the detection results of MC-R/S and MC-V/S in practical application processes.
Keywords:  moving cutting data-rescaled range analysis      moving cutting data-rescaled variance analysis      abrupt dynamic change  
Received:  12 September 2014      Revised:  30 October 2014      Accepted manuscript online: 
PACS:  92.70.Aa (Abrupt/rapid climate change)  
  95.10.Fh (Chaotic dynamics)  
Fund: Project supported by the National Basic Research Program of China (Grant No. 2012CB955902) and the National Natural Science Foundation of China (Grant Nos. 41275074, 41475073, and 41175084).
Corresponding Authors:  He Wen-Ping     E-mail:  wenping_he@163.com

Cite this article: 

He Wen-Ping (何文平), Liu Qun-Qun (刘群群), Jiang Yun-Di (姜允迪), Lu Ying (卢莹) Comparison of performance between rescaled range analysis and rescaled variance analysis in detecting abrupt dynamic change 2015 Chin. Phys. B 24 049205

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