Random GPS coordinate sampling
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Random GPS Coordinate Sampling (RGCS) is a methodology used to randomly sample households in order to conduct public health or social work research. It was developed by Drs. Athena Kolbe and Royce Hutson of Wayne State University School of Social Work in Detroit, Michigan, for use in developing countries which lack the household identifiers (such as a census address list or telephone directory) traditionally used to randomly sample households.[1]