ulal.sub.samp.dat {JoSAE}

Unit-level sample data.

Description

73 sample plots clustered in 15 stands in the municipality of Stokke, Norway.

Usage

data("ulal.sub.samp.dat")

Format

A data frame with 73 observations on the following 7 variables.

plot.ID

a character vector with unique plot IDs.

w.VMPRHA

a numeric vector. Timber volume per hectare (m3/ha).

stand.ID

a factor with unique stand IDs.

elev.mean

a numeric vector. Mean height obtained from digital aerial photogrammetry.

elev.mean.sq

a numeric vector. Mean height squared obtained from digital aerial photogrammetry.

k.ij.one

a numeric vector of ones (used in cases where heteroscedasticity can be ignored)

k.ij.em.0.48

a numeric vector. elev.mean to the power of 0.48 for modeling heteroscedasticity.

Source

Breidenbach et al. (2018) Unit-level and area-level small area estimation under heteroscedasticity using digital aerial photogrammetry data. Remote Sensing of Environment.

Examples

data(ulal.sub.samp.dat)