qualityTools (version 1.31.1)

normalPlot: Half-Normal plot

Description

function to generate a half-normal plot of the factor effects for an object of class facDesign

Usage

normalPlot(fdo, threeWay = FALSE, na.last = NA, alpha = 0.05, sig.col = c("red1", "red2", "red3"), main, ylim, xlim, xlab, ylab, pch, ...)

Arguments

fdo

object of class facDesign

threeWay

TRUE/FALSE plot three-way or higher interactions

na.last

alpha

alpha for marking interactions

sig.col

vector - colors for marking significant interactions

main

graphical parameter

ylim

graphical parameter

xlim

graphical parameter

xlab

graphical parameter

ylab

graphical parameter

pch

graphical parameter

...

further graphical parameters

Value

• NULL

See Also

facDesign, paretoPlot,

Examples

fdo = facDesign(k=3, replicates = 2)  #factorial design
set.seed(123) #seed for random numbers
y = rnorm(nrow(fdo))  #random numbers
response(fdo) = y #set the response
normalPlot(fdo) #create a normal plot