ssd: Compute sample standard deviation

In rpsychi: Statistics for psychiatric research

Description

ssd computes a sample standard deviation.

Usage

ssd(x, na.rm = TRUE)

Arguments

x	a numeric vector
na.rm	missing values (NA) will be stripped before the computation proceeds (na.rm = TRUE, default)

Value

Return a numeric containing a sample standard deviation.

Author(s)

Yasuyuki Okumura
Department of Social Psychiatry,
National Institute of Mental Health,
National Center of Neurology and Psychiatry
[e-mail]

See Also

r2cov, svar, svar, ssd2sd, lower2R

Examples

data(infert)
ssd(infert$age)     #sample standard deviation
sd(infert$age)      #unbiased standard deviation

rpsychi documentation built on May 1, 2019, 10:10 p.m.