Search Results for author: Haeran Cho

Found 3 papers, 1 papers with code

Data segmentation algorithms: Univariate mean change and beyond

no code implementations23 Dec 2020 Haeran Cho, Claudia Kirch

In the second part of this survey, we motivate the importance of attaining an in-depth understanding of strengths and weaknesses of methodologies for the change point problem in a simpler, univariate setting, as a stepping stone for the development of methodologies for more complex problems.

Time Series Analysis Methodology

Multiple change point detection under serial dependence: Wild contrast maximisation and gappy Schwarz algorithm

2 code implementations27 Nov 2020 Haeran Cho, Piotr Fryzlewicz

We propose a methodology for detecting multiple change points in the mean of an otherwise stationary, autocorrelated, linear time series.

Change Point Detection Model Selection +1 Methodology

High-dimensional GARCH process segmentation with an application to Value-at-Risk

no code implementations4 Jun 2017 Haeran Cho, Karolos Korkas

Models for financial risk often assume that underlying asset returns are stationary.

Time Series Analysis Methodology

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