ChaoShannon {iNEXT} | R Documentation |
Estimation of Shannon entropy/diversity
Description
ChaoShannon
: estimation of Shannon entropy or transformed Shannon diversity based on the method proposed by Chao et al. (2013)
Usage
ChaoShannon(x, datatype = "abundance", transform = FALSE, conf = 0.95, B = 200)
Arguments
x |
a |
datatype |
data type of input data: individual-based abundance data ( |
transform |
a |
conf |
a positive number |
B |
an integer specifying the number of bootstrap replications. |
Value
A data.frame of observed Shannon entropy/diversity, estimate of entropy/diversity, s.e. and the associated confidence interval.
References
Chao, A., Wang, Y.T. & Jost, L. (2013) Entropy and the species accumulation curve: a novel entropy estimator via discovery rates of new species. Methods in Ecology and Evolution, 4, 1091-1100.
See Also
Examples
data(spider)
ChaoShannon(spider$Girdled, datatype="abundance")