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Is statistical learning a mechanism?
RJ Betzler
Jan 25, 2016
Nonparametric, tuning-free estimation of S-shaped functions
We consider the nonparametric estimation of an S-shaped regression function.
The least squares estimator provides a very natural, tuning-free approach, but
results in a non-convex optimisation problem, since the inflection point...
A web-database of mammalian morphology and a reanalysis of placental phylogeny
RJ Asher
Jun 13, 2011
Background: Recent publications concerning the interordinal phylogeny of placental mammals have converged on a common signal, consisting of four major radiations with some ambiguity regarding the placental root. The DNA data...
The Authenticity of Demosthenes 13, Again
RJ Sing
Mar 07, 2017
The deliberative speech known by us as On Organization (Περὶ συντάξεως) focusses on financial organization and political economy more than any other speech in the Demosthenic corpus. The assembly is to decide the fate of an...
Seeking contact
RJ McVey
Dec 26, 2022
High-dimensional change point estimation via sparse projection
Changepoints are a very common feature of Big Data that arrive in the form of a data stream. In this paper, we study high-dimensional time series in which, at certain time points, the mean structure changes in a sparse subset...
Polysaccharide Paint Binding Media at Two Pharaonic Settlements in Nubia
Paints and plasters from two pharaonic settlement sites in Nubia (northern Sudan) were analysed to investigate the presence and origin of organic binding materials. The town of Sai was founded around the time of the...
Calibration of an orientation sensor for freehand 3D ultrasound and its use in a hybrid acquisition system
BACKGROUND: Freehand 3D ultrasound is a powerful imaging modality with many potential applications. However, its reliance on add-on position sensors, which can be expensive, obtrusive and difficult to calibrate, is a major...
Neurological update
Coronavirus Disease 2019 is predominantly a disorder of the respiratory system, but neurological complications have been recognised since early in the pandemic. The major pathophysiological processes leading to neurological...
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