qqtrunc: QQ Plot for a Truncated Random Variable

In truncdist: Truncated Random Variables

Description

This function produces a QQ plot of sample quantiles against theoretical quantiles for a truncated random variable.

Usage

qqtrunc(x, spec, a = -Inf, b = Inf, title = "Truncated Distribution Q-Q Plot", 
xlabel = "Theoretical Quantiles", ylabel = "Sample Quantiles", ...)

Arguments

x	a numeric vector of sample values
spec	a character value that specifies the underlying probability distribution
a	a numeric value for the lower bound of the random variable
b	a numeric value for the upper bound of the random variable
title	A character value for the chart title
xlabel	A character value for the horizon axis label
ylabel	A character value for the vertical axis label
...	other arguments are are passed to the corresponding quantile function

Value

A plot.

Author(s)

Frederick Novomestky [e-mail]

Saralees Nadarajah [e-mail]

References

Nadarajah, S. and S. Kotz, 2006. R Programs for Computing Truncated Distributions, Journal of Statistical Software, 16, August 2006, http://www.jstatsoft.org/v16/c02

See Also

qtrunc

Examples

x <- rtrunc( 500, spec="norm", a=1, b=2 )
qqtrunc( x, spec="norm", a=1, b=2 )

Example output

Loading required package: stats4
Loading required package: evd

truncdist documentation built on May 2, 2019, 9:41 a.m.