00985nam0-2200301---450-99000915315040332120100225104814.0000915315FED01000915315(Aleph)000915315FED0100091531520100225d--------km-y0itay50------bafreBE--------001yy<<Les >>régimes de sécurité socialeApplicables aux travailleurs du charbon et de l'acier dans la commaunité et en Grande-BretagneCommunauté européenne du charbon et de l'acierBonn, Milan, LeydeEurolibrimancafogli mobili30 cm2 v.Communauté européenne du charbon et de l'acier506986ITUNINARICAUNIMARCBK990009153150403321DPR 30-59/1034078DECDPR 59/2034078DECDECRégimes de sécurité sociale779119UNINA05661nam 2200721Ia 450 991081827620332120200520144314.01-119-96776-71-280-77575-097866136861451-119-96710-41-119-96709-0(CKB)2670000000205666(EBL)945114(OCoLC)796383240(SSID)ssj0000679203(PQKBManifestationID)11365650(PQKBTitleCode)TC0000679203(PQKBWorkID)10609893(PQKB)10220688(MiAaPQ)EBC945114(Au-PeEL)EBL945114(CaPaEBR)ebr10570739(CaONFJC)MIL368614(EXLCZ)99267000000020566620111026d2012 uy 0engurcn|||||||||txtccrSpatial analysis along networks statistical and computational methods /Atsuyuki Okabe, Kokichi Sugihara1st ed.Hoboken, N.J. Wiley20121 online resource (308 p.)Statistics in practiceDescription based upon print version of record.0-470-77081-3 Includes bibliographical references and index.Spatial Analysis along Networks: Statistical and Computational Methods; Contents; Preface; Acknowledgements; 1 Introduction; 1.1 What is network spatial analysis?; 1.1.1 Network events: events on and alongside networks; 1.1.2 Planar spatial analysis and its limitations; 1.1.3 Network spatial analysis and its salient features; 1.2 Review of studies of network events; 1.2.1 Snow's study of cholera around Broad Street; 1.2.2 Traffic accidents; 1.2.3 Roadkills; 1.2.4 Street crime; 1.2.5 Events on river networks and coastlines; 1.2.6 Other events on networks; 1.2.7 Events alongside networks1.3 Outline of the book 1.3.1 Structure of chapters; 1.3.2 Questions solved by network spatial methods; 1.3.3 How to study this book; 2 Modeling spatial events on and alongside networks; 2.1 Modeling the real world; 2.1.1 Object-based model; 2.1.1.1 Spatial attributes; 2.1.1.2 Nonspatial attributes; 2.1.2 Field-based model; 2.1.3 Vector data model; 2.1.4 Raster data model; 2.2 Modeling networks; 2.2.1 Object-based model for networks; 2.2.1.1 Geometric networks; 2.2.1.2 Graph for a geometric network; 2.2.2 Field-based model for networks; 2.2.3 Data models for networks2.3 Modeling entities on network space 2.3.1 Objects on and alongside networks; 2.3.2 Field functions on network space; 2.4 Stochastic processes on network space; 2.4.1 Object-based model for stochastic spatial events on network space; 2.4.2 Binomial point processes on network space; 2.4.3 Edge effects; 2.4.4 Uniform network transformation; 3 Basic computational methods for network spatial analysis; 3.1 Data structures for one-layer networks; 3.1.1 Planar networks; 3.1.2 Winged-edge data structures; 3.1.3 Efficient access and enumeration of local information3.1.4 Attribute data representation 3.1.5 Local modifications of a network; 3.1.5.1 Inserting new nodes; 3.1.5.2 New nodes resulting from overlying two networks; 3.1.5.3 Deleting existing nodes; 3.2 Data structures for nonplanar networks; 3.2.1 Multiple-layer networks; 3.2.2 General nonplanar networks; 3.3 Basic geometric computations; 3.3.1 Computational methods for line segments; 3.3.1.1 Right-turn test; 3.3.1.2 Intersection test for two line segments; 3.3.1.3 Enumeration of line segment intersections; 3.3.2 Time complexity as a measure of efficiency; 3.3.3 Computational methods for polygons3.3.3.1 Area of a polygon 3.3.3.2 Center of gravity of a polygon; 3.3.3.3 Inclusion test of a point with respect to a polygon; 3.3.3.4 Polygon-line intersection; 3.3.3.5 Polygon intersection test; 3.3.3.6 Extraction of a subnetwork inside a polygon; 3.3.3.7 Set-theoretic computations; 3.3.3.8 Nearest point on the edges of a polygon from a point in the polygon; 3.3.3.9 Frontage interval; 3.4 Basic computational methods on networks; 3.4.1 Single-source shortest paths; 3.4.1.1 Network connectivity test; 3.4.1.2 Shortest-path tree on a network; 3.4.1.3 Extended shortest-path tree on a network3.4.1.4 All nodes within a prespecified distanceIn the real world, there are numerous and various events that occur on and alongside networks, including the occurrence of traffic accidents on highways, the location of stores alongside roads, the incidence of crime on streets and the contamination along rivers. In order to carry out analyses of those events, the researcher needs to be familiar with a range of specific techniques. Spatial Analysis Along Networks provides a practical guide to the necessary statistical techniques and their computational implementation. Each chapter illustrates a specific technique, from Stochastic Point ProcessStatistics in practice.Spatial analysis (Statistics)Spatial analysis (Statistics)Data processingGeographyNetwork analysisSpatial analysis (Statistics)Spatial analysis (Statistics)Data processing.GeographyNetwork analysis.519.5/36Okabe Atsuyuki1945-871584Sugihara Kokichi1948-546289MiAaPQMiAaPQMiAaPQBOOK9910818276203321Spatial analysis along networks3913062UNINA