Field Validation of Food Service Listings: A Comparison of Commercial and Online Geographic Information System Databases

Many studies examining the food retail environment rely on geographic information system (GIS) databases for location information. The purpose of this study was to validate information provided by two GIS databases, comparing the positional accuracy of food service places within a 1 km circular buff...

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Detalles Bibliográficos
Autores principales: Seliske, Laura, Pickett, William, Bates, Rebecca, Janssen, Ian
Formato: Online Artículo Texto
Lenguaje:English
Publicado: MDPI 2012
Materias:
Article
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3447575/
https://www.ncbi.nlm.nih.gov/pubmed/23066385
http://dx.doi.org/10.3390/ijerph9082601

Internet

https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3447575/
https://www.ncbi.nlm.nih.gov/pubmed/23066385
http://dx.doi.org/10.3390/ijerph9082601

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