psytabs (version 1.0)

standarderror: Standard error.

Description

Computes the standard error of a numeric vector.

Usage

standarderror(x)

Arguments

x

a numerical vector.

Value

The standard error.

Examples

data(mydata)
mydata.sumscore <- rowSums(mydata[,c("item1", "item2", "item3", "item4")])
standarderror(mydata.sumscore)