sub.sp.matrix: Subset species based on relative frequency

In spaa: SPecies Association Analysis

Subset species based on relative frequency

Description

Subset species based on relative frequency.

Usage

sub.sp.matrix(spmatrix, freq = 0.5, common = NULL)

Arguments

spmatrix	a standard community matrix with rows representing sites and columns representing species.
freq	The relative frequency, species with higher relative frequency will be kept in the output.
common	The number of most common species to keep.

Details

sub.sp.matrix will select the species whose relative frequency above 0.5 (default), or select certain number of species based on relative frequency.

Value

A subset matrix of species with high relative frequency.

Author(s)

Jinlong Zhang [e-mail]

References

None

See Also

See Also subset

Examples

library(vegan)
data(BCI)
## Select the species whose relative frequency
## more than 0.5, from BCI data
sub <- sub.sp.matrix(BCI, freq = 0.5)
## Select the top 30 species according to relative frequency
sub <- sub.sp.matrix(BCI, common = 30)

spaa documentation built on April 4, 2025, 2:41 a.m.