Posts Tagged ‘ Diversity Indices ’

Bootstrap Confidence Intervals for Diversity Indices

April 30, 2011
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Bootstrap Confidence Intervals for Diversity Indices

Here's the bootstrap refinement of the normal asymptotic interval (Mills and Zandvakili, 1997; Dixon et al., 1987; Efron and Tibshirani, 1997) - where Diversity (div, g) is the Simpson Index calculated from the observed sample, k is the number boot...

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Test Difference Between Diversity-Indices of Two Samples with Abundance Data

April 18, 2011
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Test Difference Between Diversity-Indices of Two Samples with Abundance Data

I adapted a scheme for a permutation test from the PAST Software (Hammer & Harper, http://folk.uio.no/ohammer/past/diversity.html) that tests difference between diversity-indices of two samples with abundance data... Read more »

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