s2 {surveyplanning} | R Documentation |
The function to estimate population variance S^2
.
s2(y, w = NULL)
y |
Study variable. |
w |
Survey weight (optional). If not defined, it is assumed to be 1 for each element. |
Population variance S^2
or the estimate of population variance s^2
.
If w
is not defined, the result is equal to the result of the function var
.
s2(1:10)
s2(1:10, rep(1:2, each = 5))
all.equal(s2(1:10), var(1:10))