Description Usage Arguments Details See Also Examples
This function computes the standard deviation of the values in
x
.
If na.rm
is TRUE
then missing values are removed before
computation proceeds.
1 |
x |
a numeric vector or an R object but not a
|
na.rm |
logical. Should missing values be removed? |
Like var
this uses denominator n - 1.
The standard deviation of a length-one or zero-length vector is NA
.
var
for its square, and mad
, the most
robust alternative.
1 |
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