Zobrazeno 1 - 10
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pro vyhledávání: '"Knight, Marina I."'
Data collected over networks can be modelled as noisy observations of an unknown function over the nodes of a graph or network structure, fully described by its nodes and their connections, the edges. In this context, function estimation has been pro
Externí odkaz:
http://arxiv.org/abs/2410.13693
This article introduces the class of continuous time locally stationary wavelet processes. Continuous time models enable us to properly provide scale-based time series models for irregularly-spaced observations for the first time, while also permitti
Externí odkaz:
http://arxiv.org/abs/2310.12788
Accurate forecasting of the U.K. gross value added (GVA) is fundamental for measuring the growth of the U.K. economy. A common nonstationarity in GVA data, such as the ABML series, is its increase in variance over time due to inflation. Transformed o
Externí odkaz:
http://arxiv.org/abs/2303.07772
Within the neurosciences, to observe variability across time in the dynamics of an underlying brain process is neither new nor unexpected. Wavelets are essential in analyzing brain signals because, even within a single trial, brain signals exhibit no
Externí odkaz:
http://arxiv.org/abs/2005.09440
The classical regular and partial autocorrelation functions are powerful tools for stationary time series modelling and analysis. However, it is increasingly recognized that many time series are not stationary and the use of classical global autocorr
Externí odkaz:
http://arxiv.org/abs/2004.12716
Publikováno v:
J. R. Stat. Soc. A, 183 (2020): 909-933
It has been claimed and disputed that World War II has been followed by a `long peace', an unprecedented decline of war. We conduct a full changepoint analysis of well-documented, publicly-available battle deaths datasets, using new techniques that e
Externí odkaz:
http://arxiv.org/abs/1909.02626
Akademický článek
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Publikováno v:
In Computational Statistics and Data Analysis October 2022 174
Autor:
Knight, Marina I.1 (AUTHOR), Nunes, Matthew A.2 (AUTHOR) m.a.nunes@bath.ac.uk, Hargreaves, Jessica K.1 (AUTHOR)
Publikováno v:
Journal of Computational & Graphical Statistics. Jul-Sep2024, Vol. 33 Issue 3, p941-954. 14p.
How does soil pollution affect a plant's circadian clock? Are there any differences between how the clock reacts when exposed to different concentrations of elements of the periodic table? If so, can we characterise these differences? We approach the
Externí odkaz:
http://arxiv.org/abs/1607.08827