Hill.N2.core {palaeoSig}

Calculate the effective number of species in the fossil data

Description

Gives a measure of the species diversity in the fossil data.

Usage

Hill.N2.core(spp)

Arguments

spp

Species data

Details

Uses Hill.N2 from the rioja package

Value

Minimum, first quartile and median effective number of species

Note

If the effective number of species is small, WA based reconstructions are unlikely to be significant, and MAT based reconstructions should be tested instead.

Author(s)

Richard Telford

References

Hill, M. O. (1973) Diversity and evenness: a unifying notation and its consequences. Ecology 54: 427–432.

See Also

Hill.N2

Examples

require(rioja)
data(RLGH)

Hill.N2.core(RLGH$spec)