Statistical Modelling and Deconvolution of Yield Meter Data

Frede Aakmann Tøgersen and Rasmus Waagepetersen

Scandinavian Journal of Statistics, 2004, vol. 31, issue 2, 247-264

Abstract: Abstract. This paper considers the problem of mapping spatial variation of yield in a field using data from a yield monitoring system on a combine harvester. The unobserved yield is assumed to be a Gaussian random field and the yield monitoring system data is modelled as a convolution of the yield and an impulse response function. This results in an unusual spatial covariance structure (depending on the driving pattern of the combine harvester) for the yield monitoring system data. Parameters of the impulse response function and the spatial covariance function of the yield are estimated using maximum likelihood methods. The fitted model is assessed using certain empirical directional covariograms and the yield is finally predicted using the inferred statistical model.

Date: 2004
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https://doi.org/10.1111/j.1467-9469.2004.02-024.x

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Persistent link: https://EconPapers.repec.org/RePEc:bla:scjsta:v:31:y:2004:i:2:p:247-264

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