![]() ![]() Business data, survey data, administrative data come from somewhere… 2.E.g., proximity to/distance from: – Geographic features (e.g., borders) – Various sites (e.g., retail locations, energy infrastructure). Well there is the GEODIST function which does just that. ![]() with the following function, where geodist(a,b) is the Euclidian distance. v9.2 functions use the vincenty formula (more accurate and more. As popular as these kinds of mapping tools have become, there is no automatic way to import their data into SAS.Reading in spatial data: Google Earth (.kml) files Google Earth can be a source of spatial data – e.g., the Northern Gateway (Canada) and Keystone XL (US) pipelines (publicized by NGOs) Ex.: reading in the Statistics Canada 2011 Census forward sortation area (FSA) polygon shapefile: PROC MAPIMPORT DATAFILE= "C:\Census11\gfsa000b11a_e.shp" OUT=map_0 RUN.Reads in the main types of map shapefiles used by GIS packages, both polygon and line shapefiles.US Census Bureau TIGER/Line files – states, CBSAs, states, counties, tracts, blocks, ZCTAs.Statistics Canada Census Cartographic Boundary Files (CBFs) – provinces, MSAs, federal electoral districts, tracts, dissemination areas.Geocoding business and survey data (that may not have been intended to be geocoded in the first place).But I’m not a GIS analyst! I don’t have/can’t afford/don’t have time to learn GIS software!.Existing data may not contain precise location data.Many data analysis projects do not start out with spatial analysis in mind (e.g., secondary data analyses).Gravelle (2014) “Partisanship, Border Proximity, and Canadian Attitudes toward North American Integration.” International Journal of Public Opinion Research, vol. GEODIST Function Returns the geodetic distance between two latitude and longitude coordinates. GEODIST Function Returns the geodetic distance between two latitude and longitude coordinates. concepts in the semantic graph according to a given distance function. ![]()
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