wtd.sd {poliscidata} | R Documentation |
Find Standard Deviation of Variable
Description
Takes in variable and calculates standard deviation, works with sampling weights.
Usage
wtd.sd(x, weights = NULL)
Arguments
x |
A variable (must be numeric), should be in dataset$var form. |
weights |
Sampling weights of variable (optional), should be in dataset$weightvar form. |
Details
Makes use of the freq function, part of the descr package.
Value
Returns the standard deviation of the variable, a numeric value.
Examples
library(poliscidata)
wtd.sd(nes$polknow_combined, nes$wt)
[Package poliscidata version 2.3.0 Index]