New answers tagged

2

In a Marketing context, DMA are Designated Market Areas. From Nielsen: DMA (Designated Market Area) regions are the geographic areas in the United States in which local television viewing is measured by The Nielsen Company. The DMA data are essential for any marketer, researcher, or organization seeking to utilize standardized geographic areas within ...


1

After several years, I finally created my own code to build a schema. However, it is currently embedded in a python library, so it isn't generally usable as a spec. Here is the geoid module, which parses and generate Census geoids, with variants for Census, Tiger and ACS formats: https://github.com/CivicKnowledge/geoid.git If you are handy with ...


1

Here you cand find a simple explanation for the columns that you must concantenate to generate the GeoIDs for different geographic areas https://www.census.gov/geo/reference/geoidentifiers.html


2

You can speed up the manual clean up process a bit by creating a virtual field on your final layer and populating it with the area of each feature ($area in field calculator). Then sort the attribute table by this field. You will probable find lots of records at the top with zero or close to zero areas, and these can be deleted quickly from within the ...


0

Here's a complete free tutorial on downloading, cleaning, analyzing and mapping census data: https://www.youtube.com/playlist?list=PLCuEIQl2BByhnFWu858xy5O0rfVAI94Hw Full disclosure: I am the author. I use QGIS for overlaying the data and creating the maps.



Top 50 recent answers are included