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Incidence-based Coverage Estimator

Usage

index_ice(x, ...)

# S4 method for matrix
index_ice(x, k = 10, ...)

Arguments

x

A \(m \times p\) matrix of presence/absence data (incidence).

...

Currently not used.

k

A length-one numeric vector giving the threshold between rare/infrequent and abundant/frequent species.

Value

A numeric vector.

References

Chao, A. & Chiu, C.-H. (2016). Species Richness: Estimation and Comparison. In Balakrishnan, N., Colton, T., Everitt, B., Piegorsch, B., Ruggeri, F. & Teugels, J. L. (Eds.), Wiley StatsRef: Statistics Reference Online. Chichester, UK: John Wiley & Sons, Ltd., 1-26. doi:10.1002/9781118445112.stat03432.pub2

Author

N. Frerebeau