index.bio {agricolae}R Documentation

Biodiversity Index

Description

Scientists use a formula called the biodiversity index to describe the amount of species diversity in a given area.

Usage

index.bio(data, method = c("Margalef", "Simpson.Dom", "Simpson.Div", "Berger.Parker", "McIntosh", "Shannon"), level=95, nboot=500, console=TRUE)

Arguments

data number of specimens
method Describe method bio-diversity
level Significant level
nboot size bootstrap
console output console TRUE

Details

method bio-diversity. "Margalef" "Simpson.Dom" "Simpson.Div" "Berger.Parker" "McIntosh" "Shannon"

Value

data vector
method method bio-diversity
level value 0-100 percentage
nboot size 100, 500,...

Author(s)

Felipe de Mendiburu

References

Efron, B., Tibshirani, R. (1993) An Introduction to the Boostrap. Chapman and Hall/CRC

Examples

library(agricolae)
data(paracsho)
# date 22-06-05 and treatment CON = application with insecticide
specimens <- paracsho[1:10,6]
output1 <- index.bio(specimens,method="Simpson.Div",level=95,nboot=200)
output2 <- index.bio(specimens,method="Shannon",level=95,nboot=200)
rbind(output1, output2)

[Package agricolae version 1.0-6 Index]