نتایج جستجو برای: geo statistic

تعداد نتایج: 34531  

2013
Sean M. Arietta Maneesh Agrawala Ravi Ramamoorthi

We investigate the relationship between visual elements and statistical quantities in cities. Although certain city statistics like the presence of trees and graffiti have a natural connection to visual elements, more abstract statistical quantities such as crime rates and housing prices relate to visual content in a less intuitive way. We show that there is a strong connection between visual e...

2016
Yanguang Chen Guy J-P. Schumann

In geo-statistics, the Durbin-Watson test is frequently employed to detect the presence of residual serial correlation from least squares regression analyses. However, the Durbin-Watson statistic is only suitable for ordered time or spatial series. If the variables comprise cross-sectional data coming from spatial random sampling, the test will be ineffectual because the value of Durbin-Watson'...

2010
Laura K. Nuttall Patrick J. Sutton

One of the goals of the current LIGO-GEO-Virgo science run is to identify transient gravitational wave (GW) signals in near real time to allow follow-up electromagnetic (EM) observations. An EM counterpart could increase the confidence of the GW detection and provide insight into the nature of the source. Current GW-EMcampaigns target potential host galaxies based on overlapwith theGW sky error...

2009
Yun yan DU Fenzhen SU Ce LI Wei WEN

Currently, Geo-data-mining and knowledge discovering, new kernel of GIS spatial analysis study, which help breaking theoretic limitation of Geo-expert system and revealing an innovative research roadmap for new era Geo-information sciences, represent latest researching trend of GIS. Various research communities have tried to applying or revising mathematic tools as probability theory, spatial s...

Journal: :Canadian Medical Association Journal 2005

Journal: :Journal of Mathematical Physics 2000

Journal: :Botanical Gazette 1920

Journal: :Int. J. Applied Earth Observation and Geoinformation 2013
Antonio Lanorte Maria Danese Rosa Lasaponara Beniamino Murgante

Traditional methods of recording fire burned areas and fire severity involve expensive and timeconsuming field surveys. Available remote sensing technologies may allow us to develop standardized burn-severity maps for evaluating fire effects and addressing post fire management activities. This paper focuses on multiscale characterization of fire severity using multisensor satellite data. To thi...

2013
Zhihua Sun Tianfa Xie

We consider the statistical inference for right-censored data when censoring indicators are missing but nonignorable, and propose an adjusted imputation product-limit estimator. The proposed estimator is shown to be consistent and converges to a Gaussian process. Furthermore, we develop an empirical process-based testing method to check the MAR (missing at random) mechanism, and establish asymp...

2004

The use of geo-spatial differentiation in resource economics has become more widespread in recent years, particularly in the urban and real estate literature. However, previous to use in environmental economics, geo-spatial characteristics were used in international trade and theories of industrial concentration (Krugman, 1998). Geographic Information Systems, or GIS, is a database management s...

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