product_metric: Product metric

In blasern/fastmetrics: Calculate Pairwise Distances

Product metric

Description

Returns the p-product metric of two metric spaces. Works for output of 'rdist', 'pdist' or 'cdist'.

Usage

product_metric(..., p = 2)

Arguments

...	Distance matrices or dist objects
p	The power of the Minkowski distance

Examples

# generate data
df <- matrix(runif(200), ncol = 2)
# distance matrices
dist_mat <- pdist(df)
dist_1 <- pdist(df[, 1])
dist_2 <- pdist(df[, 2])
# product distance matrix
dist_prod <- product_metric(dist_1, dist_2)
# check equality
all.equal(dist_mat, dist_prod)

blasern/fastmetrics documentation built on Aug. 29, 2023, 12:27 p.m.