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Field validation of secondary data sources: a novel measure of representativity applied to a Canadian food outlet database
BACKGROUND: Validation studies of secondary datasets used to characterize neighborhood food businesses generally evaluate how accurately the database represents the true situation on the ground. Depending on the research objectives, the characterization of the business environment may tolerate some...
| Autores principales: | , |
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| Formato: | Online Artículo Texto |
| Lenguaje: | English |
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BioMed Central
2013
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| Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3710283/ https://www.ncbi.nlm.nih.gov/pubmed/23782570 http://dx.doi.org/10.1186/1479-5868-10-77 |