gutten: von Guttenberg's Norway spruce (Picea abies [L.] Karst) tree...
In FAwR: Functions and Datasets for "Forest Analytics with R"
gutten R Documentation
von Guttenberg's Norway spruce (Picea abies [L.] Karst) tree measurement data.
Description
The data are measures from 107 trees. The trees were selected as
being of average size from healthy and well stocked stands in the Alps.
Usage
data(gutten)
Format
A data frame with 1200 observations on the following 9 variables.
siteGrowth quality class of the tree's habitat. 5 levels.
locationDistinguishes tree location. 7 levels.
treeAn identifier for the tree within location.
age.baseThe tree age taken at ground level.
heightTree height, m.
dbh.cmTree diameter, cm.
volumeTree volume.
age.bhTree age taken at 1.3 m.
tree.IDA factor uniquely identifying the tree.
Source
The data were kindly provided to us by Professor Boris Zeide,
and are documented in von Guttenberg, A. R., 1915. Growth and yield of
spruce in Hochgebirge. Franz Deuticke, Vienna (in German).
References
Robinson, A.P., and J.D. Hamann. 2010. Forest Analytics with R: an
Introduction. Springer.
Zeide, B., 1993. Analysis of growth equations. Forest Science 39 (3),
549-616
Examples
data(gutten)
str(gutten)
FAwR documentation built on June 22, 2025, 5:07 p.m.
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| gutten | R Documentation |
von Guttenberg's Norway spruce (Picea abies [L.] Karst) tree measurement data.
Description
The data are measures from 107 trees. The trees were selected as being of average size from healthy and well stocked stands in the Alps.
Usage
data(gutten)Format
A data frame with 1200 observations on the following 9 variables.
siteGrowth quality class of the tree's habitat. 5 levels.
locationDistinguishes tree location. 7 levels.
treeAn identifier for the tree within location.
age.baseThe tree age taken at ground level.
heightTree height, m.
dbh.cmTree diameter, cm.
volumeTree volume.
age.bhTree age taken at 1.3 m.
tree.IDA factor uniquely identifying the tree.
Source
The data were kindly provided to us by Professor Boris Zeide, and are documented in von Guttenberg, A. R., 1915. Growth and yield of spruce in Hochgebirge. Franz Deuticke, Vienna (in German).
References
Robinson, A.P., and J.D. Hamann. 2010. Forest Analytics with R: an Introduction. Springer.
Zeide, B., 1993. Analysis of growth equations. Forest Science 39 (3), 549-616
Examples
data(gutten)
str(gutten)
R Package Documentation
Browse R Packages
We want your feedback!
Note that we can't provide technical support on individual packages. You should contact the package authors for that.
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