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عمومی::
چارچوب نمونه
This paper describes how gridded population data might instead be used as a sample frame, and introduces the R GridSample algorithm for selecting primary sampling units (PSU) for complex household surveys with gridded population data.
Where census data are not available, outdated, or known to be unreliable, individual survey teams have begun to experiment with gridded population sampling as an alternative [6, 7, 8, 9, 10, 11], and organizations that fund routine surveys are beginning to recommend gridded population datasets as alternative sample frames [12].
This paper (1) describes how gridded population datasets have been used as alternative sample frames to outdated or inaccurate census data, (2) introduces GridSample [13], an R package, for the first-stage selection of complex household surveys using gridded population data, and (3) summarizes options to implement gridded population samples in the field.
Gridded population data may prove to be a viable alternative sample frame where census data are outdated or inaccurate.
A valid sample frame has contiguous, non-overlapping potential PSUs.
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