Source code for UQpy.utilities.distances.euclidean_distances.BrayCurtisDistance

from typing import Union

from UQpy.utilities.ValidationTypes import NumpyFloatArray, Numpy2DFloatArray
from UQpy.utilities.distances.baseclass.EuclideanDistance import EuclideanDistance
from scipy.spatial.distance import pdist


class BrayCurtisDistance(EuclideanDistance):
    def compute_distance(self, xi: NumpyFloatArray, xj: NumpyFloatArray) -> float:
        """
        Given two points, this method calculates the Bray-Curtis distance.

        :param xi: First point.
        :param xj: Second point.
        :return: A float representing the distance between the points.
        """

        return pdist([xi, xj], "braycurtis")[0]