Register a distance spec under a name — register_distance • RdistNN

Register a distance spec under a name

Usage

register_distance(name, spec)

Arguments

name: Character scalar registry key.
spec: Either a distance spec or a function (X, x0, ctx) -> numeric(n).

Value

(Invisibly) the registered spec.

Examples

nm <- "tmp_l1_demo"
register_distance(
  nm,
  function(X, x0, ctx = NULL) {
    rowSums(abs(X - matrix(x0, nrow(X), ncol(X), TRUE)))
  }
)
nm %in% distance_names()
#> [1] TRUE