Hill.N2.core: Calculate the effective number of species in the fossil data

Description Usage Arguments Details Value Note Author(s) References See Also Examples

View source: R/Hill.N2.core.R

Description

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

Usage

1

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

1
2
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4
require(rioja)
data(RLGH)

Hill.N2.core(RLGH$spec)

Example output

Loading required package: vegan
Loading required package: permute
Loading required package: lattice
This is vegan 2.5-3
Loading required package: rioja
This is rioja 0.9-15.1
      0%      25%      50% 
11.79277 13.11629 13.89376 

palaeoSig documentation built on May 29, 2017, 9:11 a.m.