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sprex

Description

sprex is a package for calculating species richness for rarefaction and extrapolation.

Installation

To install the stable version from CRAN:

install.packages('sprex')

To install the latest version from GitHub:

# make sure you have Rtools installed
if (!require('devtools')) install.packages('devtools')
# install from GitHub
devtools::install_github('ericarcher/sprex')

Contact

Available functions:

You can see the most recent changes to the package in the NEWS.md file: https://github.com/EricArcher/sprex/blob/master/sprex/NEWS.md

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Version

Install

install.packages('sprex')

Monthly Downloads

201

Version

1.4.1

License

GNU General Public License

Maintainer

Last Published

April 16th, 2016

Functions in sprex (1.4.1)

osa.old.growth

Osa beetle species counts
discovery.curve

Discovery Curve
ACE

Number of Unobserved Species
f.stats

Frequency Vector Statistics
expected.num.species

Expected Number of Species
bootstrap.assemblage

Bootstrap Assemblage of Species
plot.discovery.curve

Plot a Discovery Curve
species.to.sample.freq

Create Vector of Sample Frequencies
expand.freqs

Expand Frequency Matrix
sample.to.species.freq

Create Vector of Species Frequencies
sprex-package

Calculate species richness and extrapolation metrics
num.samples.required

Number of Samples Required
rarefaction.overlap

Rarefaction Overlap