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Choosing a survey sample when data on the population are limited: a method using Global Positioning Systems and aerial and satellite photographs
BACKGROUND: Various methods have been proposed for sampling when data on the population are limited. However, these methods are often biased. We propose a new method to draw a population sample using Global Positioning Systems and aerial or satellite photographs. RESULTS: We randomly sampled Global...
| Autores principales: | , , , , |
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| Formato: | Online Artículo Texto |
| Lenguaje: | English |
| Publicado: |
BioMed Central
2012
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| Materias: | |
| Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3492033/ https://www.ncbi.nlm.nih.gov/pubmed/22967277 http://dx.doi.org/10.1186/1742-7622-9-5 |