نتایج جستجو برای: gwr

تعداد نتایج: 614  

2017
Yin-Yee Leong Jack C. Yue

BACKGROUND Geographically weighted regression (GWR) is a modelling technique designed to deal with spatial non-stationarity, e.g., the mean values vary by locations. It has been widely used as a visualization tool to explore the patterns of spatial data. However, the GWR tends to produce unsmooth surfaces when the mean parameters have considerable variations, partly due to that all parameter es...

Journal: :Remote Sensing 2016
Kaveh Deilami Md. Kamruzzaman John Francis Hayes

Numerous studies have identified associations between the surface urban heat island (SUHI) effect (i.e., SUHI, hereinafter is referred to as UHI) and urban growth, particularly changes in land cover patterns. This research questions their causal links to answer a key policy question: If cities restrict urban expansion and encourage people to live within existing urban areas, will that help in c...

Knowing of precipitation values in different regions is always of main and strategic issues of human which has important role in short- term and long-term decisions. In order to determine of precipitation model and forecasting it, there are different models, but given that the precipitation data have a spatial autocorrelation, the spatial statistic is a powerful tool to recognition of spatial b...

2014
Yu-Ra Lim Hyun-Joo Bae Youn-Hee Lim Seungdo Yu Geun-Bae Kim Yong-Sung Cho

OBJECTIVES Numerous studies have revealed the adverse health effects of acute and chronic exposure to particulate matter less than 10 μm in aerodynamic diameter (PM10). The aim of the present study was to examine the spatial distribution of PM10 concentrations and cardiovascular mortality and to investigate the spatial correlation between PM10 and cardiovascular mortality using spatial scan sta...

2010
Joseph Esdin Kaycey Pearce David L. Glanzman

Although habituation is possibly the simplest form of learning, we still do not fully understand the neurobiological basis of habituation in any organism. To advance the goal of a comprehensive understanding of habituation, we have studied long-term habituation (LTH) of the gill-withdrawal reflex (GWR) in the marine snail Aplysia californica. Previously, we showed that habituation of the GWR in...

2012
Mohsen Ali-Akbarpour Abolfazl Mohammadbeigi Seyed Hamid Reza Tabatabaee Gholamreza Hatam

BACKGROUND Despite the advances in the diagnosis and treatment of leishmaniasis, it is still considered as a severe public health problem particularly in developing countries and a great economic burden on the health resources. The present study was designed and conducted to determine the eco-environmental characteristics of the leishmaniasis disease by spatial analysis. MATERIALS AND METHODS...

2015
Karyn Morrissey

Ecological influences on health outcomes are associated with the spatial stratification of health. However, the majority of studies that seek to understand these ecological influences utilise aspatial methods. Geographically weighted regression (GWR) is a spatial statistics tool that expands standard regression by allowing for spatial variance in parameters. This study contributes to the urban ...

2015
Woo Hwi Yang Oliver Heine Sebastian Pauly Pilsang Kim Wilhelm Bloch Joachim Mester Marijke Grau

PURPOSE Rapid weight reduction is part of the pre-competition routine and has been shown to negatively affect psychological and physiological performance of Taekwondo (TKD) athletes. This is caused by a reduction of the body water and an electrolyte imbalance. So far, it is unknown whether weight reduction also affects hemorheological properties and hemorheology-influencing nitric oxide (NO) si...

2016
Tianhao Zhang Wei Gong Zhongmin Zhu Kun Sun Yusi Huang Robert W. Talbot

The estimation of ambient particulate matter with diameter less than 10 μm (PM10) at high spatial resolution is currently quite limited in China. In order to make the distribution of PM10 more accessible to relevant departments and scientific research institutions, a semi-physical geographically weighted regression (GWR) model was established in this study to estimate nationwide mass concentrat...

Journal: :ISPRS Int. J. Geo-Information 2015
Fedri Ruluwedrata Rinawan Ryutaro Tateishi Ardini Saptaningsih Raksanagara Dwi Agustian Bayan Alsaaideh Yessika Adelwin Natalia Ahyani Raksanagara

Dengue disease incidence is related with the construction of a house roof, which is an Aedes mosquito habitat. This study was conducted to classify pitch roof (PR) and flat roof (FR) surfaces using pan-sharpened Worldview 2 to identify dengue disease patterns (DDPs) and their association with DDP. A Supervised Minimum Distance classifier was applied to 653 training data from image object segmen...

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