An S4 class to store the results of a principal coordinates analysis.

## Slots

`points`

A

`numeric`

matrix whose rows give the coordinates of the points chosen to represent the dissimilarities.`eigenvalues`

A

`numeric`

vector giving the eigenvalues computed during the scaling process.`GOF`

A length-two

`numeric`

vector.`groups`

A

`character`

vector specifying the class for each observation.