SAM v3.1 (February, 2009)

New Features:

  • Automated eigen-filter selection

    Fixed bugs:

  • Partial regression in eigen filters fixed
  • AIC in Linear regression fixed
  • Distance classes in Moran's I fixed
  • Local Moran's I fixed
  • Improvements in the behavior of windows and edit boxes

  • Help file NOT updated

    SAM v3.0 (April, 2008)

    New Features:

  • Improved Graphical interface (buttons and stuff...)
  • Graph Figures and Graph Data can now be copied by CTRL+righ click
  • Data can now be Imported or Exported from the spreadsheet
  • Improved 3D Scatter Plot (rotation in 3D)
  • Improved GIS (ESRI Shapefile) graphical mapping
  • "Pattern Finding" tool (integrates Map, Scatter and Spreadsheet)
  • Geographically Weighted Regression (GWR) Added
  • with Spatial-Autocovariate as an option to control for spatial autocorrelation
  • Model Selection and Multi-Model Inference (AiC based) Added
  • Partial regression added to the EigenVector-Based Spatial Filtering, to help with filter selection
  • EigenVector-Based Spatial Filtering now runs with Connectivity Matrices, and is compatible with Griffith and Peres-Neto (2007)
  • Help file improved and expanded (even more...)
  • Several small bugs fixed, including the display of error messages

    SAM v2.0 (April, 2007)

    New Features:

  • GIS (ESRI Shapefiles) compatibility
  • Cluster and Spatial Cluster
  • General Data Management Improved
  • Import/Export Connectivity Matrices
  • Import/Export Distance Connectivity Matrices
  • Import/Export Shapefile and Gridfile
  • Species' Presence/Absense Data Handling Improved
  • Species' Attributes Data Handling Improved
  • Help file improved
  • Small bugs fixed

    SAM v1.1 (Feb 1st, 2006)

    New Features:

  • Auto Shell Extension Integration (.SAM data files)
  • Improved Interface to Report that SAM is computing
  • Transformation with Log(x+1)
  • Spatial Outliers with Alpha parameter
  • Histograms with adjustable number o bars
  • Lattice Wombling (Boundary Delineation)
  • Help File Improved
  • Official Home Page Improved

    Fixed bugs:

  • Variables unselection fixed
  • Geographic coordinate variables auto selection corrected
  • Mean's C.I. now works
  • Lagged Models > Pure Autoregressive fixed
  • dBASE files exportation fixed

    SAM v1.0 (Sep 1st, 2005)

    Features:

  • Basic Statistics
  • Graphs (2D and 3D Scater plots; Maps)
  • Connections creterions
  • Transformations
  • Data Reduction (PCA)
  • Spatial Autocorrelation (Correlogram, Variogram and LISA)
  • Spatial Filtering (TSA and PCNM)
  • Spatial Outliers
  • Boundary Delineation (Triangulation Wombling)
  • Correlation and Spatial Correlation
  • Regression and Partial Regression
  • Spatial Autoregressive Lagged Models
  • Spatial Generalized Least Squares
  • Autoregressive Models