check_dist: Check if valid distance
Description
Check if valid distance
Usage
check_dist(x, name = "x", check_sym = TRUE)
Arguments
- x
Distance matrix or array.
- name
Name of x for displaying errors.
- check_sym
Logical; if TRUE each matrix (slice) must be symmetric.
Details
Check if x is a valid distance vector, matrix or array. It errors if any
elements in x is negative, or if x is not a symmetric matrix or an
array of symmetric matrices.