qqtrunc: QQ Plot for a Truncated Random Variable

Description Usage Arguments Value Author(s) References See Also Examples

Description

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

Usage

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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 [email protected]

Saralees Nadarajah [email protected]

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

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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.