weightedVariance

the weightedVariance function

weightedVariance(x, y = NULL, w)

Arguments

x

x is a data vector

y

default to NULL, if given it is ignored

w

weight vector, values should be between 0 and 1

Value

numeric weighted variance value for x

Examples

x = rnorm(100)
w = runif(100)
weightedVariance(x,w = w)
#> [1] 0.7683876