Description Usage Arguments Details Value Author(s)

Difference between the individual and non-spatial sample-based rarefaction curves for one group with the evaluation sample size (number of individuals) defined by ref_dens, evaluated at specified points (given by inds). The rescaling of sampling effort from number of samples to number of individuals is accomplished using the mean density of individuals per sample.

1 | ```
deltaS_N(comm, ref_dens, inds)
``` |

`comm` |
community matrix with plots as rows and species columns. |

`ref_dens` |
the reference density |

`inds` |
the number of individuals to sample over |

Internal function for computing the difference in species richness between individual-based and non-spatial sample-based rarefaction curves using an analytical approach of stretching (ref_dens > group_dens) or shrinking (ref_dens < group_dens) the individual-based rarefaction curve to provide the non-spatial rarefaction result.

a two column data.frame containing the number of individuals (inds) and the difference in species richness (deltaS)

Dan McGlinn and Xiao Xiao

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