GTWR_Briefing.pdf

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A Tour of ArcGIS Add-in: Geographically and Temporally Weighted Regression (GTWR Beta 1.0)

Introduction

References

GTWR-Addin Download

Installation

Uninstallation

Input Data (.shp or .csv)

Ordinary Least Squares (OLS)

GWR

TWR

GTWR

Acknowledgements

A Tour of ArcGIS Add-in: Geographically and Temporally Weighted Regression (GTWR Beta 1.0) By Bo Huang The Chinese University of Hong Kong E-mail: bohuang@cuhk.edu.hk

Introduction • Geographically and Temporally Weighted Regression (GTWR) is a local linear regression model that can account for both spatial and temporal non-stationarity simultaneously. • The GTWR design embodies a local weighting scheme wherein Geographically Weighted Regression (GWR) and temporally weighted regression (TWR) become special cases of GTWR. • GTWR can support both point and panel data. If it is panel data, combine the records in all the cross-sections into one file. Each record should have three fields representing X coordinate, Y coordinate and Time-stamp, respectively.

References • For more details about GTWR, please refer to the following articles: Huang, B., Wu, B., and Barry, M., 2010. Geographically and Temporally Weighted Regression for modeling spatio-temporal variation in house prices. International Journal of Geographical Information Science, 24(3): 383 – 401.

References Wang, H. X., Wang, J. D., and Huang, B., 2012. Prediction for spatio-temporal models with autoregression in errors. Journal of Nonparametric Statistics, 24(1): 217-244. Wu, B., Li, R. R., and Huang, B., 2014. A Geographically and Temporally Weighted Autoregressive Model with application to housing prices. International Journal of Geographical Information Science, 28(5): 1186-1204. Chu, H. J., Huang, B., Lin, C. Y., 2015. Modeling the spatio- temporal heterogeneity in the PM10-PM2.5 relationship. Atmospheric Environment, 102: 176-182.

GTWR-Addin Download • http://www.grm.cuhk.edu.hk/~huangbo/GTW R/GTWR_AddIn.rar • Including: Install package CalgaryData GTWR_Addin_Briefing

Installation • ArcGIS 10.x should be available and GTWR Beta 1.0 is an Add-in that can run within ArcGIS. • Download the install-package and double-click GTWR_Beta.esriAddIn.

Installation • Open ArcMAP and right click a blank place on the tool bar. Make sure that the item named “Geographically and Temporally Weighted Regression” be checked.

Uninstallation • Customization -> Add-in Manager -> Select GTWR_Beta->Delete this Add-In

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