untb v1.3-0
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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 | |
| preston | Preston diagram of an ecosystem | |
| phi | Hubbell's phi | |
| display.untb | Animation of neutral ecological drift | |
| alonso | Various functions from Alonso and McKane 2004 | |
| plot.count | Abundance curves | |
| expected.abundance | Expected abundances under the neutral model | |
| untb-package | Unified neutral theory of biodiversity | |
| theta.prob | Posterior probabilities for theta | |
| sahfos | Biodiversity dataset provided by SAHFOS | |
| untb | Ecological drift simulation under the Unified Neutral Theory of Biodiversity | |
| volkov | Expected frequency of species | |
| extractor | Extract rows of a database in count form | |
| logS1 | logarithms of Stirling numbers of the first kind | |
| saunders | Dataset due to Saunders | |
| bci | Barro Colorado Island (BCI) dataset | |
| count | Construct, coerce, and test for a count object | |
| butterflies | abundance data for butterflies | |
| optimal.prob | Returns an estimate of the fundamental biodiversity number | |
| isolate | Randomly select a subset of an ecosystem | |
| species.count | Ecosystem diagnostics for output of untb() | |
| rand.neutral | Random neutral ecosystem | |
| fisher | Various functionality to implement Fisher's logseries | |
| logkda | Etienne's K(D,A) | |
| print.preston | Print and plot objects of class Preston | |
| simpson | Simpson's diversity index | |
| vallade | Various functions from Vallade and Houchmandzadeh | |
| zsm | Zero sum multinomial distribution as derived by McKane | |
| +.count | Add two count objects | |
| copepod | Copepod data supplied by Phil Pugh | |
| print.summary.count | Print method for summary objects | |
| etienne | Etienne's sampling formula | |
| census | Construct, coerce, and test for a census object | |
| summary.count | Summary methods for count and census objects | |
| no.of.ind | Ecosystem diagnostics | |
| No Results! | ||
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Details
| Type | Package |
| Date | 2007-06-07 |
| SystemRequirements | PARI/GP >= 2.3.0 [strongly recommended for logkda()] |
| License | GPL |
| Packaged | Mon Jun 11 06:43:50 2007; rksh |
| depends | Brobdingnag , partitions |
| Contributors | Robin S. Hankin |
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