Search Results - "Davies, Tilman M"

Towards equitable scheduling of global health teleconferences: a spatial exploration of the world’s population and health by time zone by Crump, John A, Davies, Tilman M

“…ObjectivesTo examine the world’s population, development, and health by condensed Coordinated Universal Time (UTC) offset to support a normative position on…”
Get full text

New tools for the investigation of muscle fiber-type spatial distributions across histological sections by Redmond, Anna K, Davies, Tilman M, Schofield, Matthew R, Sheard, Philip W

“…The functional and metabolic properties of skeletal muscles are partly a function of the spatial arrangement of fibers across the muscle belly. Many muscles…”
Get full text

Inference Based on Kernel Estimates of the Relative Risk Function in Geographical Epidemiology by Hazelton, Martin L., Davies, Tilman M.

“…Kernel smoothing is a popular approach to estimating relative risk surfaces from data on the locations of cases and controls in geographical epidemiology. The…”
Get full text

Fast computation of spatially adaptive kernel estimates by Davies, Tilman M., Baddeley, Adrian

“…Kernel smoothing of spatial point data can often be improved using an adaptive, spatially varying bandwidth instead of a fixed bandwidth. However, computation…”
Get full text

Tutorial on kernel estimation of continuous spatial and spatiotemporal relative risk by Davies, Tilman M., Marshall, Jonathan C., Hazelton, Martin L.

“…Kernel smoothing is a highly flexible and popular approach for estimation of probability density and intensity functions of continuous spatial data. In this…”
Get full text

Comment on Makino et al. and observations on spatial modeling by Davies, Tilman M., Sheard, Philip W., Cornwall, Jon

Get full text

Risk signals of an influenza pandemic caused by highly pathogenic avian influenza subtype H5N1: Spatio-temporal perspectives by Zhang, Zhijie, Chen, Dongmei, Chen, Yue, Davies, Tilman M., Vaillancourt, Jean-Pierre, Liu, Wenbao

“…Highly pathogenic avian influenza (HPAI) subtype H5N1 is a trans-boundary animal disease that has crossed the animal–human species barrier and over the past…”
Get full text

Student injuries in the dissecting room by Cornwall, Jon, Davies, Tilman M., Lees, David

“…Cadaver dissection is the first opportunity for many students to practice handling human tissue and is their first exposure to the occupational hazards…”
Get full text

Diffusion Smoothing for Spatial Point Patterns by Baddeley, Adrian, Davies, Tilman M., Rakshit, Suman, Nair, Gopalan, McSwiggan, Greg

“…Traditional kernel methods for estimating the spatially-varying density of points in a spatial point pattern may exhibit unrealistic artefacts, in addition to…”
Get full text

The spatio-temporal distribution of COVID-19 infection in England between January and June 2020 by Elson, Richard, Davies, Tilman M., Lake, Iain R., Vivancos, Roberto, Blomquist, Paula B., Charlett, Andre, Dabrera, Gavin

“…The spatio-temporal dynamics of an outbreak provide important insights to help direct public health resources intended to control transmission. They also…”
Get full text

Pointwise comparison of two multivariate density functions by Hazelton, Martin L., Davies, Tilman M.

“…Testing the equality of two density functions based on independent samples is a classical problem in statistics. While the focus is often on global equality,…”
Get full text

Adaptive kernel estimation of spatial relative risk by Davies, Tilman M., Hazelton, Martin L.

“…Kernel smoothing is routinely used for the estimation of relative risk based on point locations of disease cases and sampled controls over a geographical…”
Get full text

A nearest‐neighbour Gaussian process spatial factor model for censored, multi‐depth geochemical data by Davies, Tilman M., Banerjee, Sudipto, Martin, Adam P., Turnbull, Rose E.

“…We investigate the relationships between local environmental variables and the geochemical composition of the Earth in a region spanning over 26,000 km2 in the…”
Get full text

An evaluation of likelihood-based bandwidth selectors for spatial and spatiotemporal kernel estimates by Davies, Tilman M., Lawson, Andrew B.

“…Spatial point pattern data sets are commonplace in a variety of different research disciplines. The use of kernel methods to smooth such data is a flexible way…”
Get full text

Bayesian Inference and Data Augmentation Schemes for Spatial, Spatiotemporal and Multivariate Log-Gaussian Cox Processes in R by Taylor, Benjamin M., Davies, Tilman M., Rowlingson, Barry S., Diggle, Peter J.

“…Log-Gaussian Cox processes are an important class of models for spatial and spatiotemporal point-pattern data. Delivering robust Bayesian inference for this…”
Get full text

sparr : Analyzing Spatial Relative Risk Using Fixed and Adaptive Kernel Density Estimation in R by Davies, Tilman M., Hazelton, Martin L., Marshall, Jonathan C.

“…The estimation of kernel-smoothed relative risk functions is a useful approach to examining the spatial variation of disease risk. Though there exist several…”
Get full text

On Circulant Embedding for Gaussian Random Fields in R by Davies, Tilman M., Bryant, David J.

“…The high-dimensionality typically associated with discretized approximations to Gaussian random fields is a considerable hinderance to computationally…”
Get full text

Modelling dichotomously marked muscle fibre configurations by Davies, Tilman M., Cornwall, Jon, Sheard, Philip W.

“…Human skeletal muscle consists of contractile elements (fibres) that may be differentiated according to their physiological and biochemical properties. The…”
Get full text

Application of kernel smoothing to estimate the spatio-temporal variation in risk of STEC O157 in England by Elson, Richard, Davies, Tilman M., Jenkins, Claire, Vivancos, Roberto, O'Brien, Sarah J., Lake, Iain R.

“…Identifying geographical areas with significantly higher or lower rates of infectious diseases can provide important aetiological clues to inform the…”
Get full text

Jointly optimal bandwidth selection for the planar kernel-smoothed density-ratio by Davies, Tilman M

“…The kernel-smoothed density-ratio or 'relative risk' function for planar point data is a useful tool for examining disease rates over a certain geographical…”
Get full text