Command Reference
:
Function Reference
:
Function Reference: R
@rstdevp
By-Row Statistics
Row population
(non d.f. corrected) standard deviations.
Square roots of (population) Pearson product moment population variances for each row of the group, with no d.f. correction.
Syntax:
@rstdevp
(
x)
x
: group
Return: series
For each observation
corresponding to a row in the group of
series, compute the population standard deviation,
where
is the mean of the
values
for the observation.
Examples
show @rstdevp(g
returns a linked series of population standard deviations in the rows of group
g
.
Cross-references
See also
@rstdev
and
@rstdevs
.