Lesson11
IS415 GeoSpatial Analytics and Applications
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Spatial Interaction Models
Contents
Content
- What is Spatial Interaction?
- Introducing Huff model
- Basic concepts and method
- Calibrating Huff model
- Interpreting Huff model results
- Introducing Multiplicative Competitive Interaction Model (MCI)
- Basic concepts and method
- Calibrating MCI model
- Interpreting MCI model results
Must do
Read:
Huff, D., (1963) A Probabilistics Analysis of Shopping Center Trade Areas, Land Economics, Vol. 39, No. 1, pp. 81-90.
Nakanishi, M. & Cooper, L.G. (1974) Parameter Estimation for a Multiplicative Competitive Interaction Model-Least Squares Approach, Journal of Marketing Research, Vol.11(3), p.303-311.
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.
- NetworkDistance: Distance Measures for Networks.
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 measure” Applied 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.
