4. One approach to biodiversity measurement is fitting a distribution to rank abundance data. In the present case data on abundance of different species is recorded at two localities in western-ghats in India. The species are ranked from most abundant (rank 1) to least abundant. Some ecological considerations suggest that a geometric distribution should fit the data. Parameter of the geometric distribution is taken as indicator of diversity. Higher the value of parameter, lower the diversity.
A data frame with 80 observations on the following 3 variables.
Location of the species
number of birds seen of a species
Begin with good ness of fit. Model builder aspirants can also try calculating the Simpson index and Shannon-Wiener index of species diversity.
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