This help topic is for R version 0.60. For the current version of R, try https://stat.ethz.ch/R-manual/R-patched/library/base/html/ppoints.html
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)

[Package base version 0.60 ]