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It is a linear algorithm to simulate quantiles of multiscale statistics under hull hypothesis for multiscale changepoint segmentation. The reference is in preparation.
Package details 


Author  Chengcheng Huang [aut,cre], Housen Li[aut] 
Maintainer  Chengcheng Huang <huangchengcheng12@nudt.edu.cn> 
License  GPL (>= 2) 
Version  2.0 
Package repository  View on CRAN 
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