(C++) Hellinger Distance Between Two Vectors

Computed as: sqrt(1/2 * sum((sqrt(x) - sqrt(y))^2)). Cannot handle NA values.

Usage

distance_hellinger_cpp(x, y)

Arguments

x

(required, numeric vector).

y

(required, numeric vector) of same length as x.

Value

numeric

See also

Other Rcpp_distance_methods: distance_canberra_cpp(), distance_chebyshev_cpp(), distance_chi_cpp(), distance_cosine_cpp(), distance_euclidean_cpp(), distance_hamming_cpp(), distance_jaccard_cpp(), distance_manhattan_cpp(), distance_russelrao_cpp()

Examples

distance_hellinger_cpp(x = runif(100), y = runif(100))
#> [1] 2.429643