Sampling for crop area estimation: a comparison of full-frame sampling with the sample segment approach.

M. M. Hixson, M. E. Bauer, B. J. Davis

Research output: Contribution to journalArticlepeer-review

Abstract

The objective of this investigation was to evaluate the effect of sampling on the accuracy (precision and bias) of crop area estimates made from classifications of Landsat MSS data. Full-frame classifications of wheat and non-wheat for 80 counties in Kansas were repetitively sampled to simulate alternative sampling plans. 4 sampling schemes were evaluated. The precision of the wheat area estimates increased as the segment size decreased and the number of segments was increased. Although the average bias associated with the various sampling schemes was not significantly different, the maximum absolute bias was directly related to sampling unit size.-from Authors

Original languageEnglish (US)
Pages (from-to)97-104
Number of pages8
JournalUnknown Journal
StatePublished - Jan 1 1979

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