نتایج جستجو برای: روش gwr

تعداد نتایج: 370133  

2012
Maogui Hu Zhongjie Li Jinfeng Wang Lin Jia Yilan Liao Shengjie Lai Yansha Guo Dan Zhao Weizhong Yang

BACKGROUND Over the past two decades, major epidemics of hand, foot, and mouth disease (HFMD) have occurred throughout most of the West-Pacific Region countries, causing thousands of deaths among children. However, few studies have examined potential determinants of the incidence of HFMD. METHODS Reported HFMD cases from 2912 counties in China were obtained for May 2008. The monthly HFMD cumu...

Journal: :ISPRS Int. J. Geo-Information 2017
Long Guo Yiyun Chen Tiezhu Shi Chang Zhao Yaolin Liu Shanqin Wang Haitao Zhang

Soil organic carbon stock plays a key role in the global carbon cycle and the precision agriculture. Visible and near-infrared reflectance spectroscopy (VNIRS) can directly reflect the internal physical construction and chemical substances of soil. The partial least squares regression (PLSR) is a classical and highly commonly used model in constructing soil spectral models and predicting soil p...

2001
W. Bietenholz

A 0 A0, so that Dov = Aov + μ obeys the GWR (for μ in some allowed interval). The standard Neuberger fermion uses the Wilson operator D0 = DW [4]. The guide-line for our concept to improve overlap fermions [5] is the following observation: ifD0 is already a GW fermion (with respect to a fixed kernel R), then Dov = D0. We can explicitly construct an approximate solution to the GWR, use it as D0,...

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 ...

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