sd.unbiased {rQCC} | R Documentation |
Unbiased standard deviation
Description
This function computes the unbiased standard deviation of the values in x
.
If na.rm
is TRUE
, then missing values are removed before computation proceeds.
Usage
sd.unbiased(x, na.rm = FALSE)
Arguments
x |
a numeric vector or an R object which is coercible to one
by |
na.rm |
logical. If |
Details
sd
is not unbiased.
This function computes sd
divided by c_4(n)
, where c_4(n)
is obtained by c4.factor(n, estimator="sd")
{rQCC}.
Author(s)
Chanseok Park
See Also
sd
for the square root of var
, but it is biased.
Refer to mad.unbiased
{rQCC} for finite-sample unbiased median absolute deviation
(MAD) estimator, the most robust alternative.
Examples
sd.unbiased(1:2)
[Package rQCC version 2.22.12 Index]