GIDDY: GeospatIal Distribution DYnamics
Project description
GeospatIal Distribution DYnamics (giddy) in PySAL
Giddy is an open-source python library for the analysis of dynamics of longitudinal spatial data. Originating from the spatial dynamics module in PySAL (Python Spatial Analysis Library), it is under active development for the inclusion of newly proposed analytics that consider the role of space in the evolution of distributions over time.
Below are six choropleth maps of US state per-capita incomes from 1929 to 2004 at a fifteen-year interval.
Documentation
Online documentation is available here.
Features
- Directional LISA, inference and visualization as rose diagram
Above shows the rose diagram (directional LISAs) for US states incomes across 1969-2009 conditional on relative incomes in 1969.
- Spatially explicit Markov methods:
- Spatial Markov and inference
- LISA Markov and inference
- Spatial decomposition of exchange mobility measure (rank methods):
- Global indicator of mobility association (GIMA) and inference
- Inter- and intra-regional decomposition of mobility association and inference
- Local indicator of mobility association (LIMA)
- Neighbor set LIMA and inference
- Neighborhood set LIMA and inference
- Income mobility measures
Examples
- Directional LISA
- Markov based methods
- Rank based methods
- Mobility measures
- Rank-based Markov methods
- Sequence methods (Optimal matching)
Installation
Install the stable version released on the Python Package Index from the command line:
pip install giddy
Install the development version on pysal/giddy:
pip install https://github.com/pysal/giddy/archive/master.zip
Requirements
- libpysal
- esda
- mapclassify
Contribute
PySAL-giddy is under active development and contributors are welcome.
If you have any suggestion, feature request, or bug report, please open a new issue on GitHub. To submit patches, please follow the PySAL development guidelines and open a pull request. Once your changes get merged, you’ll automatically be added to the Contributors List.
Support
If you are having issues, please talk to us in the gitter room.
License
The project is licensed under the BSD license.
BibTeX Citation
@misc{wei_kang_2019_3351744,
author = {Wei Kang and
Sergio Rey and
Philip Stephens and
Nicholas Malizia and
Levi John Wolf and
Stefanie Lumnitz and
James Gaboardi and
jlaura and
Charles Schmidt and
eli knaap and
Andy Eschbacher},
title = {pysal/giddy: giddy 2.2.1},
month = jul,
year = 2019,
doi = {10.5281/zenodo.3351744},
url = {https://doi.org/10.5281/zenodo.3351744}
}
Funding
Award #1421935 New Approaches to Spatial Distribution Dynamics
Project details
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