shapiro.qqnorm {epiDisplay}

Qqnorm plots with Shapiro-Wilk's test

Description

Quantile-normal plots with Shapiro-Wilk's test result integrated

Usage

shapiro.qqnorm (x, ...)

Arguments

x

A numeric vector

...

Graphical parameters passed to 'par'

Details

To test a variable 'x' against the normal distribution, a qqnorm plot is integrated with the Shapiro-Wilk test to enhance interpretation.

Author(s)

Virasakdi Chongsuvivatwong [e-mail]

See Also

'shapiro.test', 'qqnorm', 'par'

Examples

x <- rnorm(10)
a <- LETTERS[1:10]
shapiro.qqnorm(x, pch=a, col="red")
qqline(x, lty=2, col="black")