Weighted harmonic mean

Weighted harmonic mean of a vector. NA are skipped by default.

Usage

a_hmean(x, w = NULL)

Arguments

x

A numeric vector of positive values.

w

A vector of weights, which should have length equal to length(x). Weights are relative and will be re-scaled to sum to 1. If w is not specified, defaults to equal weights.

Value

Weighted harmonic mean, as a numeric value.

Details

This function replaces the now-defunct harMean() from COINr < v1.0.

Examples

# a vector of values
x <- 1:10
# a vector of weights
w <- runif(10)
# weighted harmonic mean
a_hmean(x,w)
#> [1] 2.879339