Difference between revisions of "Lesson10"

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<font size="3">'''R function to compute network distance matrix'''</font>  
 
<font size="3">'''R function to compute network distance matrix'''</font>  
  
* [https://cran.r-project.org/web/packages/shp2graph/index.html sh2graph]
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* [https://cran.r-project.org/web/packages/shp2graph/index.html sh2graph]: Tools to Convert a Spatial Network into an Igraph Graph in R.
* [https://cran.r-project.org/web/packages/osrm/index.html osrm]: Interface Between R and the OpenStreetMap-Based Routing Service OSRM
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* [https://cran.r-project.org/web/packages/osrm/index.html osrm]: Interface Between R and the OpenStreetMap-Based Routing Service OSRM.
  
 
=References=
 
=References=

Revision as of 15:33, 17 March 2019

Claraview.png IS415 GeoSpatial Analytics and Applications

About

Weekly Session

Take-home Exercises

Geospatial Analytics Project

Course Resources

 


Modelling Geographical Accessibility

Content

  • What is geospatial analytics?
  • Motivation of promoting geospatial analytics
  • Case study
  • An overview of Geographic Information Systems (GIS)
  • GIS versus Geospatial Analytics


Must do

Read:

Accessibility Models Based On the Gravity Analogy: In Theory and Practice

Luo, W. & Wang, F (2003) "Measures of Spatial Accessibility to Health Care in a GIS Environment: Synthesis and a Case Study in the Chicago Region", Environment and Planning B: Planning and Design, volume 30, pages 865-884.

Kalogirou, S. (2017) "Spatial Inequality in Accessibility to Hospital in Greece", The International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, Volume XLII-4/W2, 2017 FOSS4G-Europe 2017 – Academic Track, 18–22 July 2017, Marne La Vallée, France.


In-Class Exercise

  • Hands-on Exercise 8. The handout and data sets are available at course eLearn.


R Packages

R function to compute accessibility values

R function to compute network distance matrix

  • sh2graph: Tools to Convert a Spatial Network into an Igraph Graph in R.
  • osrm: Interface Between R and the OpenStreetMap-Based Routing Service OSRM.

References

Methods

Evaluating Accessibility for Transport Planning

Accessibility Measures: Overview and Practical Applications

Fahui Wang (2012) "Measurement, Optimization, and Impact of Health CareAccessibility: A Methodological Review", Annals of the Association of American Geographers, 102:5,1104-1112, DOI: 10.1080/00045608.2012.657146


Applications

Chen, X. (2017) “Take the edge off: A hybrid geographic food access measureApplied Geography, Vol. 87, pp. 149-159

Mcgrail, Matthew R. ; Humphreys, John S. (2009) "Measuring spatial accessibility to primary care in rural areas: Improving the effectiveness of the two-step floating catchment area method" Applied Geography, Vol.29(4), pp.533-541.