var.: Population-level variance

In popmoments: Population-level moments

Description

Variance of a vector giving the elements of a population.

Usage

var.(x, p)

Arguments

x	A numeric vector giving the population.
p	An optional vector of weights. If missing, equal weights are used.

Value

The variance of x.

Examples

# Note the difference between population and sample variance
var.(1:10)
var(1:10)
# But we can make up the difference with,
var(1:10)*(9/10)

popmoments documentation built on May 2, 2019, 5 p.m.