sub.sp.matrix {spaa} | R Documentation |
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 jinlongzhang01@gmail.com
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)
[Package spaa version 0.2.5 Index]