Description Usage Arguments Details Value Author(s) References Examples

Provides alternative methods of obtaining rank abundance curves than provided by functions `radfit`

, `fisherfit`

and `prestonfit`

(vegan), although these same functions are called.

1 | ```
radfitresult(x,y="",factor="",level,plotit=T)
``` |

`x` |
Community data frame with sites as rows, species as columns and species abundance as cell values. |

`y` |
Environmental data frame. |

`factor` |
Variable of the environmental data frame that defines subsets to calculate fitted rank-abundance curves for. |

`level` |
Level of the variable to create the subset to calculate fitted rank-abundance curves. |

`plotit` |
Plot the results obtained by |

These functions provide some alternative methods of obtaining fitted rank-abundance curves, although functions `radfit`

, `fisherfit`

and `prestonfit`

(vegan) are called to calculate the actual results.

The function returns the results from three methods of fitting rank-abundance curves:

`radfit` |
results of |

`fisherfit` |
results of |

`prestonfit` |
results of |

Optionally, a plot is provided of the `radfit`

results by `plot.radfit`

.

Roeland Kindt (World Agroforestry Centre)

Kindt, R. & Coe, R. (2005) Tree diversity analysis: A manual and software for common statistical methods for ecological and biodiversity studies.

http://www.worldagroforestry.org/output/tree-diversity-analysis

1 2 3 4 |

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