R: Sample plots of the Norwegian National Forest Inventory (NFI)...
nfi
R Documentation
Sample plots of the Norwegian National Forest Inventory (NFI) with
a variable of interest and an auxiliary variable
Description
A total of 131 sample plots of the Norwegian National Forest Inventory (NFI) with
timber volume interpolated and extrapolated to the year 2011 as the variable
of interest and mean vegetation height derived from image matching as
the auxiliary variable.
Usage
data(nfi)
Format
A data frame with 131 observations on the following 2 variables.
vol.2011
numeric vector of the variable of interest
Elev.Mean
numeric vector of the auxiliary variable
Source
Breidenbach, J., Ronald E. McRoberts, Astrup, R. (2015), Empirical
coverage of model-based variance estimators for
remote sensing assisted estimation of stand-level timber volume. Remote
Sensing of Environment. In press.
See Also
JoSAE-package and Vignette for more examples
Examples
data(nfi)
plot(vol.2011~Elev.Mean, nfi)
Results
R version 3.3.1 (2016-06-21) -- "Bug in Your Hair"
Copyright (C) 2016 The R Foundation for Statistical Computing
Platform: x86_64-pc-linux-gnu (64-bit)
R is free software and comes with ABSOLUTELY NO WARRANTY.
You are welcome to redistribute it under certain conditions.
Type 'license()' or 'licence()' for distribution details.
R is a collaborative project with many contributors.
Type 'contributors()' for more information and
'citation()' on how to cite R or R packages in publications.
Type 'demo()' for some demos, 'help()' for on-line help, or
'help.start()' for an HTML browser interface to help.
Type 'q()' to quit R.
> library(JoSAE)
Loading required package: nlme
> png(filename="/home/ddbj/snapshot/RGM3/R_CC/result/JoSAE/nfi.Rd_%03d_medium.png", width=480, height=480)
> ### Name: nfi
> ### Title: Sample plots of the Norwegian National Forest Inventory (NFI)
> ### with a variable of interest and an auxiliary variable
> ### Aliases: nfi
> ### Keywords: datasets
>
> ### ** Examples
>
> data(nfi)
> plot(vol.2011~Elev.Mean, nfi)
>
>
>
>
>
> dev.off()
null device
1
>