index.bio | R Documentation |
Scientists use a formula called the biodiversity index to describe the amount of species diversity in a given area.
index.bio(data, method = c("Margalef", "Simpson.Dom", "Simpson.Div",
"Berger.Parker", "McIntosh", "Shannon"), level=95, nboot=100, console=TRUE)
data |
number of specimens |
method |
Describe method bio-diversity |
level |
Significant level |
nboot |
size bootstrap |
console |
output console TRUE |
method bio-diversity. "Margalef" "Simpson.Dom" "Simpson.Div" "Berger.Parker" "McIntosh" "Shannon"
Index and confidence intervals.
Felipe de Mendiburu
Magurran, A.E. (1988) Ecological diversity and its measurement. Princeton University Press Efron, B., Tibshirani, R. (1993) An Introduction to the Boostrap. Chapman and Hall/CRC
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=100)
output2 <- index.bio(specimens,method="Shannon",level=95,nboot=100)
rbind(output1, output2)
Add the following code to your website.
For more information on customizing the embed code, read Embedding Snippets.