A) Herfindahl index B) Shannon entropy C) Simpson index D) Gini coefficient
A) Albert O. Hirschman B) Edward H. Simpson C) Hunter–Gaston D) Orris C. Herfindahl
A) Gini index B) Herfindahl–Hirschman index C) Rényi index D) Shannon index
A) The mean of the proportional abundances B) The inverse of the total richness C) The probability that two entities taken at random represent the same type D) The total number of species in a dataset
A) True diversity with q = 0 B) True diversity with q = 2 C) True diversity with q = 1 D) True diversity with q = 3
A) Richness B) Rényi entropy C) Random sampling constant D) Ratio of types
A) Hunter–Gaston index B) Hirschman–Simpson index C) Herfindahl–Gaston index D) Shannon–Hunter index
A) It obtains small values B) It obtains large values C) It remains constant D) It becomes undefined
A) Square root of λ B) Gini–Simpson index (1 − λ) C) Sum of λ D) Logarithm of λ
A) Entities are sampled with replacement B) Entities are sampled without replacement C) The number of types must be equal to the number of entities D) The dataset must be infinitely large
A) Albert O. Hirschman B) Edward H. Simpson C) Claude Shannon D) Orris C. Herfindahl
A) λ ≥ 0 B) λ ≥ 1/R C) λ ≥ 1 D) λ ≥ R
A) Calculating the total biomass of a community B) Identifying individual organisms by name C) Measuring different types in a dataset D) Predicting the future growth of a population
A) A count of the number of types in a dataset B) The total weight of all organisms C) The proportional abundance of the rarest type D) The geographical spread of a species
A) Characters B) Hardware components C) Network nodes D) Digital signals
A) Shannon entropy constants B) Effective number of species C) Phylogenetic averages D) Categorical variation counts
A) The geographical size of the site B) The sensitivity to rare versus abundant species C) The total number of types in the dataset D) The unit of measurement used for the diversity
A) Perplexity B) Information gain C) Entropy reduction D) Diversity gain
A) One B) Negative one C) Zero D) Infinity
A) The ability to count rare species only B) A way to calculate biomass C) The ability to freely vary the kind of weighted mean used D) The inclusion of phylogenetic relatedness
A) H' equals 1/1D B) H' equals the square of 1D C) H' equals 1D D) H' equals ln(1D)
A) Phylogenetic richness counts B) Species-relativity indices C) Genetic diversity indices D) Phylo-divergence indices
A) The weighted arithmetic mean of types B) The maximum proportional abundance C) The inverse of the Simpson index D) The sum of squared proportional abundances
A) Order 0 B) Order infinity C) Order 2 D) Order 1 |