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] 1.006218