FAD {QSutils} | R Documentation

## Functional attribute diversity

### Description

Computes the Functional Attribute Diversity as the sum of elements in the pairwise distance matrix.

### Usage

    FAD(dst)

### Arguments

`dst` | A "dist" object or a symmetrical matrix with pairwise distances.

### Value

A value that corresponds to the Functional Attribute Diversity. The sum of matrix elements.

### Author(s)

Mercedes Guerrero-Murillo and Josep Gregori

### References

Gregori J, Perales C, Rodriguez-Frias F, Esteban JI, Quer J, Domingo E. Viral quasispecies complexity measures. Virology. 2016 Jun;493:227-37. doi: 10.1016/j.virol.2016.03.017. Epub 2016 Apr 6. Review. PubMed PMID: 27060566.

### See Also

`DNA.dist`

### Examples

    # Create the object.
    filepath<-system.file("extdata","ToyData_10_50_1000.fna", package="QSutils")
    lst <- ReadAmplSeqs(filepath,type="DNA")

    # Compute the DNA distance matrix.
    dst <- DNA.dist(lst$hseqs,model="N")

    FAD(dst)

[Package QSutils version 1.2.0 Index]