ppoints {base} | R Documentation |
Ordinates for Probability Plotting
Description
This generates the sequence of points (1:m - 0.5)/m
where m
is
either n
, if length(n)==1
, or length(n)
.
It is used in qqplot
, qqnorm
to generate the set of
probabilities at which to evaluate the inverse distribution.
Usage
ppoints(n)
Arguments
n |
either the number of points generate or a vector of observations. |
See Also
qqplot
, qqnorm
.
Examples
ppoints(4)
ppoints(10)