Height-diameter data for Upper Flat Creek, Idaho

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Description

These data are forest inventory measures from the Upper Flat Creek stand of the University of Idaho Experimental Forest, dated 1991.

The file ufc contains all the data. ufcwc contains only Western red cedar. ufcgf contains only grand fir.

Format

A data frame with the following 5 variables.

Plot

Plot number

Tree

Tree within plot

Species

a factor with levels DF = Douglas-fir, GF = Grand fir, SF = Subalpine fir, WL = Western larch, WC = Western red cedar, WP = White pine

Dbh

Diameter 137 cm perpendicular to the bole, mm

Height

Height of the tree, in decimeters

Source

Andrew Robinson

References

Weisberg, S. (2014). Applied Linear Regression, 4th edition. New York: Wiley.

Examples

1

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