Appendices

Appendix A: Terms of Use

By downloading the data from the cloud storage service you agree to and accept the terms of service of MEGA LIMITED (https://mega.nz/terms).

Use constraints: Code and Spatial Data, and the information therein, (collectively the “Data”) is provided “as is” without warranty of any kind, either expressed, implied, or statutory. You (the user) assume the entire risk as to quality and performance of the Data. No guarantee of accuracy is granted, nor is any responsibility for reliance thereon assumed. In no event shall the author be liable for direct, indirect, incidental, consequential or special damages of any kind. The author does not accept liability for any damages or misrepresentation caused by inaccuracies in the Data or as a result to changes to the Data. No guarantee of accuracy is granted, nor is any responsibility for reliance thereon assumed. In no event shall the author be liable for direct, indirect, incidental, consequential or special damages of any kind, nor is there responsibility assumed to maintain the Data in any manner or form. Data can be freely distributed as long as the conditions and user constraints of the original data sources are observed. It is the responsibility of you (the user) to ensure compliance. Data sources and links to data sources are listed in Appendix B.

Appendix B: Data Sources

Food Access Research Atlas Data (2015 Dataset)

File: FoodAccess2015.xlsx
Source: https://www.ers.usda.gov/data-products/food-access-research-atlas/download-the-data/

Maryland Census Tracts (2010)

Files:
  • gz_2010_24_140_00_500k.dbf
  • gz_2010_24_140_00_500k.prj
  • gz_2010_24_140_00_500k.shp
  • gz_2010_24_140_00_500k.shx
  • gz_2010_24_140_00_500k.xml
Source: https://www.census.gov/geographies/mapping-files/time-series/geo/carto-boundary-file.2010.html
URL (Block Groups: Maryland MD): https://www2.census.gov/geo/tiger/GENZ2010/gz_2010_24_140_00_500k.zip

List of COVID-19 Vaccination Sites

File: MD_Covid19_VacSites_2021-04-04.csv

The dataset was slightly modified for educational purposes. An additional variable (column)—Location—was added and variables rearranged.

Maryland Physical Boundaries—County Boundaries (Detailed)

Files:
  • Maryland_Physical_Boundaries_-_County_Boundaries_(Detailed).cpg
  • Maryland_Physical_Boundaries_-_County_Boundaries_(Detailed).dbf
  • Maryland_Physical_Boundaries_-_County_Boundaries_(Detailed).prj
  • Maryland_Physical_Boundaries_-_County_Boundaries_(Detailed).shp
  • Maryland_Physical_Boundaries_-_County_Boundaries_(Detailed).shx
  • Maryland_Physical_Boundaries_-_County_Boundaries_(Detailed).xml
Source: https://data.imap.maryland.gov/datasets/maryland-physical-boundaries-county-boundaries-detailed?geometry=-80.968%2C38.061%2C-73.569%2C39.559
Credit: MD iMAP, SHA
Metadata: https://www.arcgis.com/sharing/rest/content/items/2315ef0b071a4ec59420e3d342dbcfe2/info/metadata/metadata.xml?format=default&output=html

Maryland County Boundaries

Files:
  • MD_counties_CT.dbf
  • MD_counties_CT.prj
  • MD_counties_CT.shp
  • MD_counties_CT.shx
Source: Based on Census Tracts (2010) polygons (see above).  The file was created by unifying the census tracts of each county.

 

License

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Spatial Analysis and Mapping with R: A Short Tutorial Copyright © 2021 by Wolf T. Pecher is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License, except where otherwise noted.