Library: | stats |
See also: | covcl meancl |
Quantlet: | varcl | |
Description: | Computes the variance of elements of a given interval bounds matrix (classified data) |
Usage: | variance = varcl(gr,fr) | |
Input: | ||
gr | a matrix of interval bounds | |
fr | a matrix of interval frequencies | |
Output: | ||
variance | variance of gr as a row vector |
library("stats") x=#(1,5,7,9,11,15,20,21,25,29)~(1:10)~#(1,3,8,9,10,13,18,20,21,50) y=#(1,6,4,3,15,10,9,4,5)~(1:9)~#(5,1,5,1,5,1,5,1,5) varcl(x, y)
Contents of variance [1,] 39.622 4.8889 118.95