Population variance

Computes the (uncorrected) variance: the mean squared deviation from the mean. Useful for design-based standard errors. Missing values are dropped.

Usage

pop.var(x)

Arguments

x

(required) A numeric vector.

Value

A numeric scalar: the mean of (x - mean(x))^2 over the non-missing values of x.

Examples

pop.var(c(1, 2, 3, 4, 5))
#> [1] 2