untb v1.2-5
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by Robin Hankin
ecological drift under the UNTB
A collection of utilities for biodiversity data.
Includes the simulation of ecological drift under Hubbell's Unified
Neutral Theory of Biodiversity, and the calculation of various
diagnostics such as Preston curves.
Functions in untb
| Name | Description | |
| no.of.ind | Ecosystem diagnostics | |
| logkda | Etienne's K(D,A) | |
| phi | Hubbell's phi | |
| preston | Preston diagram of an ecosystem | |
| optimal.prob | Returns an estimate of the fundamental biodiversity number | |
| extractor | Extract rows of a database in count form | |
| etienne | Etienne's sampling formula | |
| plot.count | Abundance curves | |
| butterflies | abundance data for butterflies | |
| print.preston | Print and plot objects of class Preston | |
| copepod | Copepod data supplied by Phil Pugh | |
| saunders | Dataset due to Saunders | |
| sahfos | Biodiversity dataset provided by SAHFOS | |
| rand.neutral | Random neutral ecosystem | |
| summary.count | Summary methods for count and census objects | |
| print.summary.count | Print method for summary objects | |
| untb | Ecological drift simulation under the Unified Neutral Theory of Biodiversity | |
| fisher | Various functionality to implement Fisher's logseries | |
| expected.abundance | Expected abundances under the neutral model | |
| +.count | Add two count objects | |
| logS1 | logarithms of Stirling numbers of the first kind | |
| untb-package | Unified neutral theory of biodiversity | |
| species.count | Ecosystem diagnostics for output of untb() | |
| census | Construct, coerce, and test for a census object | |
| count | Construct, coerce, and test for a count object | |
| simpson | Simpson's diversity index | |
| theta.prob | Posterior probabilities for theta | |
| display.untb | Animation of neutral ecological drift | |
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Details
| Type | Package |
| Date | 2005-10-26 |
| License | GPL |
| Packaged | Thu Aug 31 21:37:24 2006; rksh |
| depends | partitions |
| Contributors | Robin S. Hankin |
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