73 sample plots clustered in 15 stands in the municipality of Stokke, Norway.
A data frame with 73 observations on the following 7 variables.
a character vector with unique plot IDs.
a numeric vector. Timber volume per hectare (m3/ha).
a factor with unique stand IDs.
a numeric vector. Mean height obtained from digital aerial photogrammetry.
a numeric vector. Mean height squared obtained from digital aerial photogrammetry.
a numeric vector of ones (used in cases where heteroscedasticity can be ignored)
a numeric vector.
elev.mean to the
power of 0.48 for modeling heteroscedasticity.
Breidenbach et al. (2018) Unit-level and area-level small area estimation under heteroscedasticity using digital aerial photogrammetry data. Remote Sensing of Environment.
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