quercusvm

Locations of alive and dead oak trees (Quercus robur) in a secondary wood in Urkiola Natural Park (Basque country, north of Spain). 
 This is part of a more extensive dataset collected and analysed by Laskurain (2008). The coordinates of the trees are given in meters.

datasets

Some wrappers, functions and data sets for for spatial point pattern analysis (mainly based on 'spatstat'), used in the book "Introduccion al Analisis Espacial de Datos en Ecologia y Ciencias Ambientales: Metodos y Aplicaciones" and in the papers by De la Cruz et al. (2008) <doi:10.1111/j.0906-7590.2008.05299.x> and Olano et al. (2009) <doi:10.1051/forest:2008074>.

Marcelino la Cruz

ecespa

Functions for Spatial Point Pattern Analysis

quercusvm function

An object of class "ppp" representing the point pattern of tree locations. Entries include<dl>
 <dt>x</dt>
<dd>Cartesian x-coordinate of tree.</dd> <dt>y</dt>
<dd>Cartesian y-coordinate of tree.</dd> <dt>marks</dt>
<dd>factor with two levels indicating the status of each tree (1 = "alive", 0 = "dead").</dd> 
</dl>See <code>ppp</code> for details of the format of a ppp object.

Format

Alive and dead oak trees — quercusvm

An object of class "ppp" representing the point pattern of tree locations. Entries include<dl>
 <dt>x</dt>
<dd>Cartesian x-coordinate of tree.</dd>

 <dt>y</dt>
<dd>Cartesian y-coordinate of tree.</dd>

 <dt>marks</dt>
<dd>factor with two levels indicating the status of each tree (1 = "alive", 0 = "dead").</dd>

 
</dl>See <code>ppp</code> for details of the format of a ppp object.

quercusvm: Alive and dead oak trees

Description

Usage

Arguments

Format

References