check_dist function

Check if valid distance

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.

Returns

NULL.

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.