byf.mqqnorm {RVAideMemoire}

QQ-plot for factor levels

Description

Draws a multivariate QQ-plot of numeric variables per level of a factor.

Usage

byf.mqqnorm(formula, data)

Arguments

formula

a formula of the form a ~ b, where a is a matrix giving the dependent variables (each column giving a variable) and b a factor giving the corresponding groups.

data

an optional data frame containing the variables in the formula formula. By default the variables are taken from environment(formula).

Author(s)

Maxime HERVE <[e-mail]>

See Also

mqqnorm, byf.mshapiro, qqPlot

Examples

data(iris)
byf.mqqnorm(as.matrix(iris[,1:4])~Species,data=iris)