Checks whether the input dissimilarity matrix is metric (i.e. all triplets fulfill the triangle inequality).
Usage
is.metric(d, tol = 1e-04)
Arguments
- d
A symmetric matrix
or an object of class dist
containing the distance values between pairs of ecosystem states (see details).
- tol
Tolerance value for metricity
Value
a boolean indicating metric property
Author
Miquel De Cáceres, CREAF