stdev
Standard Deviation
Description
Returns the standard deviation of a vector or columns of a matrix.
Usage
stdev(x, na.rm = FALSE, ...)
Arguments
| x |
numeric vector or anything that can be turned into a numeric vector with c() such as a numeric matrix or array.
|
| na.rm |
if FALSE, missing values
(NA) in the input result in
the output being missing
(NA).
|
| ... |
Other arguments which are passed to
colStdevs.
|
Details
A matrix or an array is treated like a vector in stdev.
Use sd or colStdevs if you want the
standard deviation of each column in a matrix.
Value
Standard deviation of the input, which is treated as a vector.
Differences between Spotfire Enterprise Runtime for R and Open-source R
stdev is not in open-source R.
See Also
Examples
stdev(Sdatasets::longley.x)
sd(Sdatasets::longley.x)
colStdevs(Sdatasets::longley.x) # the same as sd