S+SpatialStats Product Features

Geostatistical Data:

• Contour plots
  
• 3D point clouds
  
• Variogram plots and box plots
  
• Directional variograms and correlograms for exploring anisotropy
  
• Empirical variogram estimation including robust methods
  
• Variogram models including spherical and exponential
  
• Ordinary and universal kriging
  
• Block and Point Kriging prediction at arbitrary locations with standard errors
  
• Parametric and nonparametric trend surfaces
  

• Point maps that include region boundaries
  
• Spatial randomness tests
  
• Ripley's K-functions
  
• Simulation of spatial random processes
  
• Local intensity estimation
  

• "Binning" of high density data into a regular lattice of counts
  
• Geary and Moran spatial autocorrelation coefficients
  
• Spatial regression models including conditional and simultaneous autoregressive models
  
• Nearest neighbor search
  
• Visualization of neighbor structures

System Requirements

• S+SpatialStats Module
  
• S-PLUS® for Windows® or S-PLUS for UNIX®
  

Supported Platforms

• Microsoft® Windows
  
• SGI IRIX®
  
• AIX® 4.3x
  
• Sun® Solaris®
  
• HP-UX®
  
• Linux®
  
• Compaq® Tru64 UNI