aster2 (version 0.1)

echinacea: Life History Data on Echinacea angustifolia

Description

Data on life history traits for the purple coneflower Echinacea angustifolia

Usage

data(echinacea)

docType

data

source

Stuart Wagenius, http://www.chicagobotanic.org/research/staff/wagenius.php

Details

This is the data for the example in Geyer, Wagenius, and Shaw (2007). These data were included in the R package aster which was the predecessor of this package as the dataset echinacea.

References

Geyer, C. J., Wagenius, S., and Shaw, R. G. (2007) Aster Models for Life History Analysis. Biometrika 94 415--426.

Examples

data(echinacea)
names(echinacea)
names(echinacea$redata)
levels(echinacea$redata$varb)