Results 171 to 180 of about 45,743 (261)
Extremely Fast Maximum Likelihood Estimation of High‐Order Autoregressive Models
ABSTRACT We consider the problem of exact maximum likelihood estimation of potentially high‐order (p>50$$ p>50 $$) autoregressive models. We propose an extremely fast coordinate‐wise algorithm for fitting autoregressive models. This fast algorithm exploits several properties of the negative log‐likelihood when parameterised in terms of partial ...
Daniel F. Schmidt, Enes Makalic
wiley +1 more source
Sequential Outlier Detection in Nonstationary Time Series
ABSTRACT A novel method for sequential outlier detection in nonstationary time series is proposed. The method tests the null hypothesis of “no outlier” at each time point, addressing the multiple testing problem by bounding the error probability of successive tests, using extreme‐value theory. The asymptotic properties of the test statistic are studied
Florian Heinrichs +2 more
wiley +1 more source
Interpretable discriminant analysis for functional data supported on random nonlinear domains with an application to Alzheimer's disease. [PDF]
Lila E +3 more
europepmc +1 more source
How Do Businesses Finance New Investment?
ABSTRACT This paper investigates how UK firms finance new investment and whether their choices follow a financing hierarchy consistent with leading theories of capital structure. Using a survey of 2886 firms conducted by the UK Department for Business and Trade and the Bank of England (2020–2023), we examine six financing sources: retained earnings ...
Marc Cowling +3 more
wiley +1 more source
Variation in definitions of scaphoid fracture on MRI scans for suspected fracture: a systematic review. [PDF]
van Boxel MF +5 more
europepmc +1 more source
Abstract This essay, designed as a complement to opinions expressed by Rowan Williams and some speakers at the conference in his honour, explores features of early Christianity which suggest a positive evaluation of artificial intelligence. Noting that the fear of reducing humans to machines has been joined in the modern age by the fear that machines ...
Mark J. Edwards
wiley +1 more source
Doses for X-ray and electron diffraction: New features in RADDOSE-3D including intensity decay models. [PDF]
Dickerson JL +3 more
europepmc +1 more source
Infinite ethics and the limits of impartiality
Abstract Beneficence—the part of morality concerned with promoting people's well‐being—is widely thought to be both agent‐neutral and impartial: it prescribes a common aim to all, and does not favor some individuals over others. This paper explores a problem for agent‐neutral, impartial beneficence from the perspective of “individualistic ethics” in ...
Jacob M. Nebel
wiley +1 more source
Riemannian geometry for efficient analysis of protein dynamics data. [PDF]
Diepeveen W +4 more
europepmc +1 more source

