vreq_classic: Creator function of vreq_classic S3 class
Description
The vreq_classic (variance ratio equation, classic variance ratio) class is for
storing equations based on the classic variance ratio. Inherits from the vreq class,
which inherits from the list class.
Usage
vreq_classic(X)
Arguments
X
A matrix with counts or densities arranged in species by years
Value
vreq_classic returns a vreq_classic object. Slots are:
com
the squared community CV, CVcom2
comnull
CVcomip2
vr
the classic variance ratio
References
Peterson (1975) Stability of species and of community for the benthos of two lagoons. Ecology 56, 958-965.