.pcr_sd {pcr} | R Documentation |
Get vector standard deviation by a variable
Description
Get vector standard deviation by a variable
Usage
.pcr_sd(vec, var)
Arguments
vec |
A vector of numerics |
var |
A grouping variable |
Value
A vector of numerics
Examples
vec <- rnorm(6, 30, 1)
var <- rep(c('group1', 'group2'), 3)
pcr:::.pcr_sd(vec, var)
[Package pcr version 1.2.2 Index]