num.samples.required

Calculate the additional number of samples (individuals) to 
 required to observe a given proportion of the total number of species.

Functions for calculating species richness for rarefaction and
extrapolation, primarily non-parametric species richness such as
jackknife, Chao1, and ACE. Also available are functions for plotting
species richness and extrapolation curves, and computing standard diversity
and entropy indices.

Eric Archer

sprex

Species Richness and Extrapolation

num.samples.required function

<dl><dt>g</dt>
<dd>propotion of total number of species.</dd>
<dt>f</dt>
<dd>a vector of species frequencies where <code>f[i]</code> is the number of 
species represented by only <code>i</code> samples.</dd>
<dt>f0.func</dt>
<dd>a function that computes the number of unobserved 
species (f0).</dd>
<dt>...</dt>
<dd>other arguments to <code>f0.func</code>.</dd></dl>

Arguments

Eric Archer <a href="/link/eric.archer%40noaa.gov?package=sprex&version=1.4.2" data-mini-rdoc="sprex::eric.archer@noaa.gov">eric.archer@noaa.gov</a>

Author

Number of Samples Required — num.samples.required

<dl>

<dt>g</dt>
<dd>propotion of total number of species.</dd>


<dt>f</dt>
<dd>a vector of species frequencies where <code>f[i]</code> is the number of 
species represented by only <code>i</code> samples.</dd>


<dt>f0.func</dt>
<dd>a function that computes the number of unobserved 
species (f0).</dd>


<dt>...</dt>
<dd>other arguments to <code>f0.func</code>.</dd>

</dl>

Eric Archer <a href='mailto:eric.archer@noaa.gov'>eric.archer@noaa.gov</a>

num.samples.required: Number of Samples Required

Description

Usage

Value

Arguments

Author

References

Examples