eucaleaf {datana}R Documentation

Leaf measurements for Eucalyptus nitens trees in Tasmania, Australia.

Description

The length, width, and area of Eucalyptus nitens leaves were measured.

Usage

data(eucaleaf)

Format

Contains leaf-level variables, as follows:

time

Time factor, in two levels: early or Late.

tree

Sample tree code identificator.

shoot

Shoot description factor, in three levels.

l

Length of the leaf, in mm.

w

Width of the leaf, in mm.

la

leaf area, in cm^{2}.

Source

Although the original source of the measurements is the Dissertation of Dr Candy (1999), the data file used here was courtesy of Prof. Timothy Gregoire at Yale University (New Haven, CT, USA). Furthermore, these data were used by Gregoire and Salas (2009).

References

Examples

data(eucaleaf)    
head(eucaleaf) 

[Package datana version 1.1.1 Index]