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Impact of Censoring on Estimation of Flow Duration Distribution and Its Mitigation using Kaplan-Meier-based Method
著者
  Yuki Sakai, Masato Uchida, Masato Tsuru, Yuji Oie
 
雑誌名/会議名
  IEICE Transaction on Information and Systems, Vol.E92-D, No.10, pp.1949-1952, October 2009 2009 年 10 月
 
アブストラクト
  A basic and inevitable problem in estimating flow duration distribution arises from ``censoring’’ (i.e., cutting off) the observed flow duration because of a finite measurement period. We extended the Kaplan-Meier method, which is used in the survival analysis field, and applied it to recover information on the flow duration distribution that was lost due to censoring. We show that the flow duration distribution from a short period of actual traffic data with censoring that was estimated using a Kaplan-Meier-based method can approximate well the flow duration distribution calculated from a sufficiently long period of actual traffic data.
 
キーワード
  Measurement
 
記述言語
  English
 
 

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