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In BENMMI: Benthic Multi-Metric Index
Simpson's Measure of Concentration L
Simpson's Measure of Concentration gives the probability that two individuals selected at random from a sample will belong to the same species. It is given by (finite sample case):
L = ∑^S i=1 (ni (ni-1))/ (N (N-1))
where ni the number of individuals in species i and N the total number of individuals (total abundance).
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BENMMI documentation built on Oct. 23, 2020, 8:24 p.m.
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Simpson's Measure of Concentration L
Simpson's Measure of Concentration gives the probability that two individuals selected at random from a sample will belong to the same species. It is given by (finite sample case):
L = ∑^S i=1 (ni (ni-1))/ (N (N-1))
where ni the number of individuals in species i and N the total number of individuals (total abundance).
Try the BENMMI package in your browser
Any scripts or data that you put into this service are public.
R Package Documentation
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We want your feedback!
Note that we can't provide technical support on individual packages. You should contact the package authors for that.
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