On behalf of the PySAL development team, I'm happy to announce the
official release of PySAL 1.3.
PySAL is a library of tools for spatial data analysis and
geocomputation written in Python. PySAL 1.3, the fourth official
release of PySAL, includes a number of new features and enhancements:
- The spatial regression module (spreg) has added:
- Two Stage Least Squares
- Spatial Two Stage Least Squares
- GM Error (KP 98-99)
- GM Error Homoskedasticity (Drukker et. al, 2010)
- GM Error Heteroskedasticity (Arraiz et. al, 2010)
- Spatial HAC variance-covariance estimation
- Anselin-Kelejian test for residual spatial autocorrelation
of residuals from
IV regression
- New utility functions and other helper classes
- A new contrib module to support user contributed modules. The first
contrib modules are:
- Weights Viewer – A Graphical tool for examining spatial weights
- World To View Transform – A class for modeling viewing
windows, used by Weights Viewer
- Shapely Extension – Exposes shapely methods as standalone functions
- Shared Perimeter Weights – calculate shared perimeters weights
along with many bug fixes and smaller enhancements.
PySAL modules
-------------
- pysal.core — Core Data Structures and IO
- pysal.cg — Computational Geometry
- pysal.esda — Exploratory Spatial Data Analysis
- pysal.inequality — Spatial Inequality Analysis
- pysal.spatial_dynamics — Spatial Dynamics
- pysal.spreg - Regression and Diagnostics
- pysal.region — Spatially Constrained Clustering
- pysal.weights — Spatial Weights
- pysal.FileIO — PySAL FileIO: Module for reading and writing
various file types in a Pythonic way
- pysal.contrib — Contributed Modules
Downloads
--------------
Binary installers and source distributions are available for download at
http://code.google.com/p/pysal/downloads/list
Documentation
-------------
The documentation site is here
http://pysal.org/1.3/contents.html
Web sites
---------
PySAL's home is here
http://pysal.org/
The developer's site is here
http://code.google.com/p/pysal/
Mailing Lists
-------------
Please see the developer's list here
http://groups.google.com/group/pysal-dev
Help for users is here
http://groups.google.com/group/openspace-list
Bug reports
-----------
To search for or report bugs, please see
http://code.google.com/p/pysal/issues/list
License information
-------------------
See the file "LICENSE.txt" for information on the history of this
software, terms & conditions for usage, and a DISCLAIMER OF ALL
WARRANTIES.
Many thanks to all who contributed!
Serge, on behalf of the PySAL development team.
--
Sergio (Serge) Rey
Professor, School of Geographical Sciences and Urban Planning
Arizona State University
http://geoplan.asu.edu/rey
Editor, International Regional Science Review
http://irx.sagepub.com
--
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